You will take a field trip today online:
Go to http://www.pbs.org/wgbh/nova/sciencenow/0305/01-hunt-nf.html
- Click on the interactive version of the tour.
- Answer the following questions on paper to keep up, but you MUST give me your answers by responding to the blog.
- When you submit your answers on the blog, LEAVE ME YOUR NAME!
- If you do not respond to the blog, YOU WILL NOT GET A GRADE ON THIS ASSIGNMENT!
1. Who is the scientist that you are taking the tour with?
2. Where are you?
3. What are you and the scientist looking for?
4. Where are you going? What part of the world is that?
5. What are you doing in the forest?
6. Are we there yet? Describe the savannah swamps:
7. List and describe two creatures in the swamp:
8. How do we find these creatures?
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
10. Describe what this leech looks like:
11. Just how big do they get, anyway? (explain "shortening")
12. Describe the leech on Roy Sawyer's arm:
13. What is the point of all of this? (why collect this leech?)
.jpg)
46 comments:
That was very interesting:)
1. Mark Siddall
2. French Guyana
3. The giant leeche
4. The Amazon
5. You have to go through the forest to get to the swamps.
6. It rains a lot and it is very humid.
7. Aligator and Python
8. We don't, they find us.
9. They have an anesthetic in their saliva anddddd a anticoagulant thins your blood.
10. Like a worm
11. It is hard to tell because they contract their body.
12. It's huge
13. They are very important
1. Who is the scientist that you are taking the tour with?
mark siddall
2. Where are you?
French Guyana
3. What are you and the scientist looking for?
the giant Amazonian leech
4. Where are you going? What part of the world is that?
unspoiled marshes near the country's tropical coast
5. What are you doing in the forest?
To get to the swamps, first you have to ditch the canoe and hike through tropical forest.
6. Are we there yet? Describe the savannah swamps:
These savannah swamps fill with one to four feet of freshwater in the wet season.
7. List and describe two creatures in the swamp:
Well, you could step on an electric fish and get a nasty shock, or step in a pool of piranha and get a nasty de-fleshing. You might surprise a capybara, the world's largest rodent—this one probably weighs as much as a German shepherd. If you come across a caiman, pray it's the spectacled and not the black, which can reach over 20 feet in length. So, for that matter, can the anaconda, which loves to wrap its thigh-thick self around submerged plants in this swamp. And of course the giant amazonian leech.
8. How do we find these creatures?
They find you.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
But that's not because it has an anesthetic in its saliva, it's because your waterlogged legs are desensitized. There's another reason you won't feel the bite—the giant Amazonian leech doesn't bite. It stabs.
10. Describe what this leech looks like:
it's got 34 segments, each of which has its own brain.
11. Just how big do they get, anyway? (explain "shortening")
18 inches when stretched out.
when it contracts it longitudinal muscles
12. Describe the leech on Roy Sawyer's arm:
long big and black
13. What is the point of all of this? (why collect this leech?)
bloodsucking leeches have evolved symbiotic relationships with special kinds of bacteria, which live in organs called mycetomes attached to the leech's esophagus. In exchange for a safe place to live, the microbes contribute the missing nutrients. H. ghilianii hosts a unique group of bacteria that provide this service.
Hunt for the Giant leech:
1. Who is the scientist that you are taking the tour with?
Mark Siddall
2. Where are you?
French Guyana
3. What are you and the scientist looking for?
the giant Amazonian leech
4. Where are you going? What part of the world is that?
unspoiled marshes near the country's tropical coast
5. What are you doing in the forest?
To get to the swamps, first you have to ditch the canoe and hike through tropical forest.
6. Are we there yet? Describe the savannah swamps:
fill with one to four feet of freshwater in the wet season, intense attacks from mosquitoes and biting flies
7. List and describe two creatures in the swamp:
you could step on an electric fish and get a nasty shock, or step in a pool of piranha and get a nasty de-fleshing
8. How do we find these creatures?
they find you, you're the bait
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
it's because your waterlogged legs are desensitized another reason you won't feel the bite—the giant Amazonian leech doesn't bite, it stabs. An anticoagulant is keeping your blood flowing long after you scrape the leech off
10. Describe what this leech looks like:
it's got 34 segments, each of which has its own brain (or ganglia), thirty-four brains, they are slimy, the hind end has its powerful sucker, and the head is at the narrower tip
11. Just how big do they get, anyway? (explain "shortening")
18 inches long when stretched out; it "shortens" itself by contracting the longitudinal muscles
12. Describe the leech on Roy Sawyer's arm:
its about the length of his forearm, its thick at one end and small at the other, its solid black and shiny from mucus
13. What is the point of all of this? (why collect this leech?)
Mark is there to collect fresh specimens of H. ghilianii, in exchange for a safe place to live, the microbes contribute the missing nutrients, Mark believes. He also suspects that H. ghilianii hosts a unique group of bacteria that provide this service, and he wants to find specimens and look inside them. His work will help explain how such symbiosis evolved.
Kaitlin Collignon
1.Mark Siddall
2.French Guyana
3. The giant amazonian leech
4. Amazon
5. to get to the swamps
6. very humid
7. electric fish and piranna
8. they find us
9. they stab
10. worm
11. 18 in. long
12. huge
13. important
1. Who is the scientist that you are taking the tour with?
Mark Siddall
2. Where are you?
French Guyana
3. What are you and the scientist looking for?
the giant Amazonian leech
4. Where are you going? What part of the world is that?
unspoiled marshes near the country's tropical coast
5. What are you doing in the forest?
To get to the swamps, first you have to ditch the canoe and hike through tropical forest.
6. Are we there yet? Describe the savannah swamps:
fill with one to four feet of freshwater in the wet season, intense attacks from mosquitoes and biting flies
7. List and describe two creatures in the swamp:
you could step on an electric fish and get a nasty shock, or step in a pool of piranha and get a nasty de-fleshing
8. How do we find these creatures?
they find you, you're the bait
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
it's because your waterlogged legs are desensitized another reason you won't feel the bite—the giant Amazonian leech doesn't bite, it stabs. An anticoagulant is keeping your blood flowing long after you scrape the leech off
10. Describe what this leech looks like:
it's got 34 segments, each of which has its own brain (or ganglia), thirty-four brains, they are slimy, the hind end has its powerful sucker, and the head is at the narrower tip
11. Just how big do they get, anyway? (explain "shortening")
18 inches long when stretched out; it "shortens" itself by contracting the longitudinal muscles
12. Describe the leech on Roy Sawyer's arm:
its about the length of his forearm, its thick at one end and small at the other, its solid black and shiny from mucus
13. What is the point of all of this? (why collect this leech?)
Mark is there to collect fresh specimens of H. ghilianii, in exchange for a safe place to live
1.mark siddall
2.French Guyana. A tropical country between Surinam and Brazil.
3.leeches
4.marshes near the country's tropical coast. Around the equator
5.To get to the swamps you have hike through tropical forest.
6. It rains a lot and it is very hot and humid.
7.Capybara,the world's largest rodent and Caiman which can reach over 20 feet in length.
8.They find us.
9. They have an anesthetic in their saliva and a anticoagulant thins your blood.
10. like a worm that got flattened.
11.They can get as long as a mans forearm
12. It's really fat.
13. They are used for medical uses.
1. Mark Siddall
2. French Guyana
3. Giant Amazonian Leech
4. unspoiled marches; tropical coast
5. to get to swamps you have to ditch the canoe and hike through tropical forest
6. yes; 1 to 4 feet of freshwater in wet seasons
7. capybara, worlds largest rodent; caiman, can reach over 20 feet in length
8. they find you
9. because your waterlogged legs are desensitized
10. 34 segments, 34 brains, slimy
11. about the length of a mans forearm; its contracting the longitudinal muscles
12.18 inches long
13. to see how they feed and what they do.
-Megan Wagner :]
1. Mark Siddall.
2. French Guyana.
3. The giant leeche.
4. The Amazon.
5. You have to go through the forest to get to the swamps.
6. It rains lots and it is very humid.
7. Aligator and Python.
8. We don't go to them, they find us.
9. They have an anesthetic in their saliva and a anticoagulant thins your blood.
10. Like a worm.
11. It is hard to tell because they contract their body most of the time.
12. It can grow up to 18 inches in length.
13. They are very important.
1.mark siddall
2.French Guyana. A tropical country between Surinam and Brazil.
3.leeches
4.marshes near the country's tropical coast. Around the equator
5.To get to the swamps you have hike through tropical forest.
6. It rains a lot and it is very hot and humid.
7.Capybara,the world's largest rodent and Caiman which can reach over 20 feet in length.
8.They find us.
9. They have an anesthetic in their saliva and a anticoagulant thins your blood.
10. like a worm that got flattened.
11.They can get as long as a mans forearm
12. It's really fat.
13. They are used for medical uses.
This is Zach
1.Mark Siddall
2.French Guyana
3.giant Amazonian leech
4.unspoiled marshes; near the contries tropical coast.
5.to get to swamps you have to hike through tropical forest.
6.yes;fill with 1 to 4 feet of freshwater in the wet season.
7.Capybara, largest rodent; Caiman,reach over 20 feet in lenth.
8. they find you
9. It has an anesthetic in its saliva.
10. 34 segments, slimy, flat.
11. about the length of a mans forearm; contracts longitudinal muscles.
12. 18 inches long
13. to see how they feed.
-Lyndsay Byroad:)
1.Mark Siddall
2.French Guyana
3.Haementeria ghilianii, the giant Amazonian leech
4.French Guyana, a steamy tropical country sandwiched between Surinam and Brazil.
5.To get to the swamps, first you have to ditch the canoe and hike through tropical forest.
6.savannah swamps fill with one to four feet of freshwater in the wet season.
7.electric fish and piranha
8.they find you
9.the giant Amazonian leech doesn't bite. It stabs.
10.34 segments, slimy, fatter at one end than the other
11. 18 inches long, they scrunch up.
12.long and big
13.even though these animals feed exclusively on it, blood alone is not able to sustain them; it lacks certain essential amino acids and vitamins. To make up for this deficit, bloodsucking leeches have evolved symbiotic relationships with special kinds of bacteria, which live in organs called mycetomes attached to the leech's esophagus. In exchange for a safe place to live, the microbes contribute the missing nutrients
CHYLSEA UNDERWOOD
William Porter
1. Who is the scientist that you are taking the tour with?
Mark Siddall
2. Where are you?
French Guyana
3. What are you and the scientist looking for?
giant Amazonian leech
4. Where are you going? What part of the world is that?
unspoiled marshes near the country's tropical coast
5. What are you doing in the forest?
You have to ditch the canoe and hike to get to the spot
6. Are we there yet? Describe the savannah swamps:
yes, fill with one to four feet of freshwater in the wet season
7. List and describe two creatures in the swamp:
capybara, the world's largest rodent—this one probably weighs as much as a German shepherd
caiman, pray it's the spectacled (lower right in image) and not the black, which can reach over 20 feet in length
8. How do we find these creatures? You don’t, they find you
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
watterloged legs are desensitized
10. Describe what this leech looks like:
ridges, 34 segments, usually small and black
11. Just how big do they get, anyway? (explain "shortening")
three to four times there unfilled body weight, shrinking in size
12. Describe the leech on Roy Sawyer's arm:
it’s a beast
13. What is the point of all of this? (why collect this leech?)
a lot of scientific research can be done with it.
Brittany Muse's answers
1. Who is the scientist that you are taking the tour with?
2. Where are you?
3. What are you and the scientist looking for?
4. Where are you going? What part of the world is that?
5. What are you doing in the forest?
6. Are we there yet? Describe the savannah swamps:
7. List and describe two creatures in the swamp:
8. How do we find these creatures?
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
10. Describe what this leech looks like:
11. Just how big do they get, anyway? (explain "shortening")
12. Describe the leech on Roy Sawyer's arm:
13. What is the point of all of this? (why collect this leech?)
1.Mark siddall of the American Museum of Natural History.
2.French Guyana, a country sandwiched between surinam and Brazil.
3.Giant Amazonian leech
4.unspoiled marshes near the country's tropical coast.
5.hike through the forest to get to the swamp
6.yes, they fill with one to four feet of freshwater in the wet season.
7.Capybara-worlds largest rodent weighs as much as a german shepherd. Caiman-can reach over 20 ft in length
8.they find you
9.no your legs are waterlogged and desensitized. another reason the amazonian leech doesn't bite.
10.34 segments, fatter at one end.
11.well they don't know because they extend then shorten to move.
12.18 in long
13.although they suck on your blood they are good for medical treatment.
Jacob Danley
1- Mark Siddall
2- Thigh deep in a nearby Swamp
3- Amazonian leech
4- French Guyana, between Surinum and Brazil
5- Haementeria ghilianii
6- Yes, these swamps fill with 1 to 4 feet of freshwater in the wet season.
7- Copybara- worlds largest rodent, weighs as much as a german sheperd.
caiman- can reach over 20 feet in length.
8- They find you, your the bait.
9- Your waterloffed legs are desensitized. Plus they dont bite. It stabs.
10- 34 segments, slimy, produce gooey mucus, and fatter at 1 end.
11- Well they dont know because they extend then shorten to move.
12- 18 inches long.
13- Although they suck blood they still produce good medical treatment.
-Brandon Davis-
Kyriel Jamerson's
1.Mark Siddal
2.French Guyana
3.Amazonizn leech
4.unspoiled marshes near the country's tropical coast
5.hiking through forest to get to the swamps
6.one to four feet of freshwater in the wet season
7.capybara-worlds largest rodent, and amazonian leech-few can kill a cow or horse
8.they find you. bare your legs and wade out into its domain
9.b/c of anestethic in its saliva;anticoagulant keeps blood flowing long after you scrape the leech off
10.34 segments, slimy, ridges
11.hard to tel b/c when it moves it enlongates and then shortens
12.shows how long they can get
13.hosts unique bacteria and helps to explain and show symbiosis
Hey,it's Cody Hawkins.
Here are my answers.
1. Mark Siddall
2. French Guyana
3. Giant Leech
4. Unspoiled marshes near the country's coast
5. Working toward the swamp
6. Yes. Knee high in water/swamp. And, covered with mosquitos.
7.Piranha=Satanic fish with razor teeth. Anaconda=Flip'n huge snake
8. You don't find them...they find you...(Insert: creepy horror music)
9. No you don't feel it if it bites you. Anticongulant is a bloodthinner
10. Dark in color. Fat at one end and very skinny at the other.
11. Legnth of a man's forearm.
12. Massive, slippery, dark...and...wormish?
13. To study the symbiosis between the leech and the bacteria that lives in it's esophagus. Which produces certain amino acids that the leech requires.
1. Who is the scientist that you are taking the tour with?
Mark Siddall
2. Where are you?
French Guyana
3. What are you and the scientist looking for?
Haementeria ghilianii
4. Where are you going? What part of the world is that?
unspoiled marshes near the country's tropical coast
5. What are you doing in the forest?
Being careful while walking through the rainforest
6. Are we there yet? Describe the savannah swamps:
Yes; they are bug infested and dangerous
7. List and describe two creatures in the swamp:
Piranha- flesh eating fish
Capybara- world’s largest rodent
8. How do we find these creatures?
They find you… you are the bait
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
Your legs are desensitized; it keeps blood from clotting
10. Describe what this leech looks like:
34 segments, 34 brains, produces mucus when it is annoyed to try to slip away
11. Just how big do they get, anyway? (explain "shortening")
18 inches; when the longitudinal muscles shorten (tighten)
12. Describe the leech on Roy Sawyer's arm:
Black and as long as his forearm
13. What is the point of all of this? (why collect this leech?)
To do scientific work and try to explain their symbiosis and how it may have evolved
1.Mark Siddall
2.French Guyana
3.Amazonian Leech
4.Unspoiled marshes, near countrys tropical forests
5.Hike through tropical forests
6.Yes, 1-4 ft of freshwater in the wet season(rains alot and humid)
7.Capybara, largest rodent(weighs about the size of a german shepard), electric fish
8.they find you
9.Has anesthetic in its salvia and a anticaoaugulan thins you blood
10.34 segments and like an earthworm
11. it is hard to tell bacause they contract their body
12.its huge
13.they are very important!
1. Mark Siddal
2. French Guyana
3. The Amazonian Leech
4. Unspoiled marshes near the tropical coast
5. Hike through tropical forests
6. Fills with 1-4 feet of fresh water in the wet season
7. Electric fish- shocks you, and a pirahnas can deflesh you
8. They find you
9. They have an anestetic in their saliva
10. Has 34 segments, the head is narrower
11. 18 inches
12. Big and black
13. Leeches are important to the environment and medical purposes
1. Mark Siddall
2. French Guyana
3. Amazonian Leeches
4. to unspoiled marshes on the country's tropical coast. in South America.
5. You have to hike through the forests to get to the swamps.
6. yes, filled with Amazonian leeches, bugs, and fish, filled with 4 ft. of water
7. Capybara- worlds's largest rodent, and it can weigh as much as a German Shepherd. Piranha- get a nasty de-fleshing bite.
8. Bare your legs and wade out into its domain.
9. It uses anesthetics in saliva, and it stabs.; Makes it where blood doesn't clot.
10. It has 34 segments, each segement having a brain. It's body producs a gooey mucous. It is made up of many muscles.
11. up to the length of a man's forearm.
12. the leech on his arm when stretched is 18 inches long.
13. they help humans to live in cases and they are involved in symbiotic relationships with certain bacteria.
1. Mark Siddall
2. French Guyana
3. Leeches
4. The Amazon, South America
5. Looking for the leeches.
6. It’s very humid & it rains alot.
7. Alligators and snakes
8. Look for them.
9. They have an anesthetic in their saliva & an anticoagulant that thins the blood.
10. Like a worm with suckers
11. It depends on the species.
12. It's really big
13. It’s important to know about leeches
Hunt for the Giant leech:
1. Who is the scientist that you are taking the tour with? His name is Mark Siddall.
2. Where are you? French Guyana or also called Devil’s Island
3. What are you and the scientist looking for? We are looking for the Amazonian leech.
4. Where are you going? What part of the world is that? We are going to the country’s marshy shores. Tropical rainforest…mainly down in Brazil..it’s a little island.
5. What are you doing in the forest? We are trying to get to the swamps.
6. Are we there yet? Describe the savannah swamps: Yes: one to four ft of freshwater. Very marshy…and lots of mosquitoes and flies!
7. List and describe two creatures in the swamp: Electric fish- They will give you an electric shock if you step on them. Piranhas-They’ll bite on your flesh.
8. How do we find these creatures? They find you..it’s like you’re the bait. You just wait for them to come feast on you.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?) Because it uses an anticoagulant called Hirudia which is like a numbing agent, it’s kind of like a blood thinner.
10. Describe what this leech looks like: It’s dark and looks like a big slimy slug. It has exactly 34 segments.
11. Just how big do they get, anyway? (explain "shortening") They can be up to 18 inches long! The shortening process is when the muscles contract and relax it makes them bigger and shorter.
12. Describe the leech on Roy Sawyer's arm: IT”S HUGE!!! Looks totally disgusting. but it’s all for science I guess.
13. What is the point of all of this? (why collect this leech?) Because they can give us nutrients. They’re helping with medical needs with there anticoagulant and by fighting off certain bacteria.
Bethany Bishop
2nd Block
October 24, 2008
1)Mark Siddal
2)French Guyana
3)Giant Amazonian Leech
4)Unspoiled marshes near the country’s coast; near the equator, around the Amazon
5)Have to hike through the forest in order to get to the swamp
6)Fill with 1-4 feet of freshwater in the wet season
7)Capybara – worlds largest rodent; Electric Fish – gives you a shock
8)You don’t, they find you
9)Your legs are usually desensitized plus they inject you with a type of anesthetic; It’s a blood thinner
10)Has 34 segments, slimy, fatter at one end than the other
11)Can get up to 18 inches long
12)It’s about the length of his forearm, black and slimy
13)To find specimens and look inside them to help explain how the symbiotic relationships evolved
Hannah Farris
LINDSEY PATE:
1. Who is the scientist that you are taking the tour with?
Mark Siddall
2. Where are you?
French Guyana
3. What are you and the scientist looking for?
Giant Amazonian Leech
4. Where are you going? What part of the world is that?
Unspoiled marshes near the country's tropical coast
5. What are you doing in the forest?
Ditching the canoe and Hiking through the forest
6. Are we there yet? Describe the savannah swamps:
Yes, the swamps fill with one- four feet of freshwater. It is up to our knees now and it will soon be to our waist.
7. List and describe two creatures in the swamp:
The giant Amazonian Leech or a piranha
8. How do we find these creatures?
You don’t they come to you, they can sense you from as far away as a ripple can travel.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
Because it has an anesthetic in its saliva which is used to numb, and it does not bite it stabs. Anticoagulant prevents blood from clogging.
10. Describe what this leech looks like:
It has ridges all over its body, it has 34 segments, it is flatter on one end than the other, and it has many muscles.
11. Just how big do they get, anyway? (explain "shortening")
Leeches have two types of muscles in their body. They have an outer circular layer and an inner longitudinal layer. When the leech moves, it elongates its body by contracting the circular muscles, then "shortens" it by contracting the longitudinal muscles.
12. Describe the leech on Roy Sawyer's arm:
It is 18 inches long.
13. What is the point of all of this? (why collect this leech?)
He wants to find leaches and look inside them to explain how symbiosis evolved...and because they are important.
Benjamin Shook
1. Mark Siddall
2. French Guyana
3. Giant Leech
4. Unspoiled marshes near country's tropical coast
5. You may get attacked by poisonou insects
6. electric fish & piranha
7. in the water
8. it has an anesthetic
9. 34 ridged segments
10. its how it moves
11. 18 in. long
12. look at H. ghilianii
1. Who is the scientist that you are taking the tour with?
-Mark Spiddall
2. Where are you?
-French Guyana
3. What are you and the scientist looking for?
-The Giant Amazonian Leech
4. Where are you going? What part of the world is that?
-You're heading into unspoiled marshes near the country's tropical coast
5. What are you doing in the forest?
-To get to the swamps
6. Are we there yet? Describe the savannah swamps:
-Yup; savannah swamps fill with one to four feet of freshwater in the wet season
7. List and describe two creatures in the swamp:
-electric fish and get a nasty shock, step in a pool of piranha and get a nasty de-fleshing
8. How do we find these creatures?
-You don’t they find you.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
-your waterlogged legs are desensitized; the giant Amazonian leech doesn't bite it stabs
10. Describe what this leech looks like:
-34 segments that has its own brain; slimy
11. Just how big do they get, anyway? (explain "shortening")
-About the length of a mans forearm
12. Describe the leech on Roy Sawyer's arm:
-18 inches; largest specimens
13. What is the point of all of this? (why collect this leech?)
-To collect fresh specimens and to look inside of them
1.Mark Siddall of the American Museum of Natural History
2.French Guayana, a tropical country sandwiched between Surinam and Brazil
3.The Giant Leech
4. Into unspoiled marshes near the country’s tropical coast
5. To get to the swamps, you must hike through the tropical forest.
6.They fill with 1-4 feet of freshwater in the wet season and is home to many creatures.
7.The electric fish. If you encounter it, you will receive a nasty shock and the Pirhana, if you encounter it, it will de-flesh you.
8. They find you.
9. Because your water-logged legs are desensitized and because the giant amazon leech doesn’t bite, it stabs.
10.34 segments, each of which has its own brain (or ganglia). Thirty-four brains, also leeches are related to earthworms, and they are slimy. When it's annoyed, Mark says, H. ghilianii, for instance, produces a gooey mucous in hopes of slipping away.
11. Like all soft-bodied animals, leeches have two types of muscles in their body walls—an outer circular layer and an inner longitudinal layer. When it moves, the leech elongates its body by contracting the circular muscles, then "shortens" it by contracting the longitudinal muscles. Its muscles are also ideal for swimming.
12.It’s 18 inches long; you could probable step on it and not kill it.
13. Even though these animals feed exclusively on it, blood alone is not able to sustain them. To make up for this, bloodsucking leeches have evolved symbiotic relationships with special kinds of bacteria, which live in organs called mycetomes attached to the leech's esophagus. In exchange for a safe place to live, the microbes contribute the missing nutrients.
Hunt for the Giant leech:
1. Who is the scientist that you are taking the tour with?
-Mark Siddall
2. Where are you?
-French Guyana
3. What are you and the scientist looking for?
-The giant Amazonian leech
4. Where are you going? What part of the world is that?
-Unspoiled marshes near the country’s tropical coast
5. What are you doing in the forest?
-To get the swamps
6. Are we there yet? Describe the savannah swamps:
-Classic habitat for the giant Amazonian leech, swamps fill with one – four feet of freshwater in the wet seasons, many insects such as mosquitoes, chiggers, and biting flies.
7. List and describe two creatures in the swamp:
--Capybara-worlds largest rodent, can weigh as much as a German shepherd.
--Anaconda-loves to wrap it thick-thigh around submerged plants.
8. How do we find these creatures?
-They find you
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
-It has an anesthetic in its salvia; an anticoagulant is a blood thinner.
10. Describe what this leech looks like:
-34 segments (each have their own brain), slimey, fatter at the hind than at the other end.
11. Just how big do they get, anyway? (explain "shortening")
-They can get very large; they shorten their body by contracting the longitudinal muscles.
12. Describe the leech on Roy Sawyer's arm:
-It’s the largest specimen; 18 inches long.
13. What is the point of all of this? (why collect this leech?)
-To collect fresh specimen; they want to contribute their missing nutrients.
Valerie Vess =]
1. Mark Siddall
2. French Guyana
3. Giant Leech
4. We are heading into unspoiled marshals near the country’s tropical coast
5. To go to swamps
6. They fill with one to four feet of fresh water in the wet season. Mosquitoes and biting flies are extremely bad.
7. Electric fish & Piranha
8. You don’t find leeches because they will find you. All you do is bare your legs and wade in the water.
9. Because your waterlogged legs are desensitized. An anticoagulant is something that is in the leeches’ saliva that it injects into you to keep your blood flowing long after you pick it off.
It has ridges and is made up of 34 segments.
10. Shortening is something that happens after the leech feeds because it swells up.
11. Largest leech in the world. It is 18 inches long.
12. Because they want to find more specimens inside them and want to let us learn about leeches.
Hunt for the Giant leech:
1. Who is the scientist that you are taking the tour with?
mark siddall
2. Where are you?
the French Guyana
3. What are you and the scientist looking for?
the giant amazonian leech
4. Where are you going? What part of the world is that?
unspoiled marshes near the countrys tropical coast (amazon)
5. What are you doing in the forest?
trying to get to the swamps, you have to hike through the forest to get there.
6. Are we there yet? Describe the savannah swamps:
they can fill with one to four feet of freshwater
7. List and describe two creatures in the swamp:
electric fish- shock you
a pool of piranha- bite at your flesh
8. How do we find these creatures?
you dont have to, they will find you.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
beacuse your waterlogged legs are desensitized; it thins your blood so that it will keep flowing.
10. Describe what this leech looks like:
long, 34 segments, black, larger at one end than the other.
11. Just how big do they get, anyway? (explain "shortening")
the length of a mans forearm, 18 inches
12. Describe the leech on Roy Sawyer's arm:
as long as his forearm, long and thick, black, 18 inches.
13. What is the point of all of this? (why collect this leech?)
it lacks certain essential amino acids and vitamins. they have evolved symbiotic relationships with special bacterias that live in the organ called the mycetomes attached to the leechs esophagus.
1)Mark Siddall
2)French Guyana
3) The giant Amazon leech
4)unspoiled marshes near the country's tropical coast
5) Hike through the forest to get to the swamps.
6) The swamps fill with one to four feet of freshwater in the wet season. It's very humid.
7) The world's largest rodent--capybara. Piranha.
8) They seek you out to feed.
9) Probably not, your water logged legs are desensitized.
10) It has 34 segments with ridges going down it, each with its own brain.
11) It elongates its body by contracting circular muscles, then shortens by contracting logtitudinal muscles.
12) About the length of a man's forearm.
13) It keeps the water system healthy.
Hannah Young
1. Mark Sidall
2. French Guyana
3. The Giant Amazonian Leech
4. To the unspoiled marshes near the countries tropical coast.
5. Hiking through the tropical forest.
6. Savanna Swamps filled with one to four feet of fresh water in the wet season.
7. Capybara- the world's largest rodent. It probably weigh as much as a German Shepard.
8. They find you.
9. It's because your waterlogged legs are desensited.
10. it has 34 segments... looks like a worm.
11. It is hard to tell because they contract their body. I think up to 18inches long.
12. It's shiny and black.
13. Sometimes they are used for medical reasons.
1. Who is the scientist that you are taking the tour with?Mark Siddall
2. Where are you?French Guyana
3. What are you and the scientist looking for?Leeches
4. Where are you going? What part of the world is that?Unspoiled marshes tropical coast/Amazon Brazil
5. What are you doing in the forest?You have to hike through the forest to get to the swamp.
6. Are we there yet? Describe the savannah swamps:Alot of mosquitoes and biting flies, also the water is very deep waist deep.
7. List and describe two creatures in the swamp:Electric fish, piranha, capybara, caiman, anaconda, leech
8. How do we find these creatures?They will find you.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)Waterlogged legs are desensitized. Leech doesnt bite it stabs
10. Describe what this leech looks like:Ridges 34 segments ganglia 34 brains slimy
11. Just how big do they get, anyway? (explain "shortening")They get pretty big
12. Describe the leech on Roy Sawyer's arm:18inches long largest specimen
13. What is the point of all of this? (why collect this leech?)Blood alone is not able to sustain them:it lacks cartain essential amino acids and vitamins.
1. Mark Siddell
2. French Guyana
3. Giant Leech
4. coast of Brazil
5. going to the swamp
6. they’re filled with water in the wet season
7. piranhas and electric fish
8. wonder around the swamps
9. it numbs your skin when it bites
10. dark green
11. size of your forearms
12. giant leech
13. do research on bacteria
1) Mark Siddall
2) French Guyana
3) The giant Amazonian leech
4) We’re headed into unspoiled marshes near the country’s tropical coast
5) To get to the swamps
6) Yes, it’s very swampy with waters that fill up to your knees
7) Electric fishes, Capybara
8) They’ll find you
9) The anticoagulant thins the blood
10) 34 segments, slimy and long
11) You really can’t tell because when it moves the leech elongates it’s body then shortens it by contracting the longitudinal muscles
12) It is long slimy and is 18 inches
13) It takes certain essential amino acids to make up for it they form symbiotic relationships. In exchange for a safe place to live, the microbes contribute the missing nutrients.
1. Mark Siddal
2. French Guyana
3. giant Amazonian leech
4. unspoiled marshes near the country’s tropical coast
5. to get to the swamp
6. yes; fill with one to four feet of freshwater
7. electric fish- nasty shock, piranha- nasty defleshing
8. set traps so the standard methods is to bare your legs and wade out into its domain
9. because it has an anesthetic in its saliva
10. has ridges, bloodsucking, 34 segments, and each of which has its own brain (ganglia)
11. hard to tell because it’s the midst
12. largest speciments, 18 inches long
13. it lacks certain essential amino acids and vitamins
1.Mark Siddall
2.French Guyanna
3.The Giant Leech
4.The unspoiled Marshes of the amazon
5.Getting to the swamps
6.one to four feet of freshwater
7.electric fish-shocks you/Piranha-eats flesh
8.they find you
9.they have an anasthetic in their saliva, it thins your blood
10.a worm
11.different sizes, they contract their body
12.18 inches long
13.they are used for medical purposes
Houston Mashburn
1. 1.Who is the scientist that you are taking the tour with? Mark Siddall
2. Where are you? French Guyana
3. What are you and the scientist looking for? Savannah swamps; giant leech
4. Where are you going? What part of the world is that? unspoiled marshes near the countries tropical coast.
5. What are you doing in the forest? You have to ditch the canoe and hike through the tropical forest.
6. Are we there yet? Describe the savannah swamps: These savannah swamps fill with one to four feet of freshwater in the wet season.
7. List and describe two creatures in the swamp: Capybara: The world's largest rodent—this one probably weighs as much as a German shepherd. Anaconda: Which loves to wrap its thigh-thick self around submerged plants in this swamp.
8. How do we find these creatures? No worries they find you. You're the bait. You can't set traps for leeches, so the standard method is to bare your legs and wade out into its domain.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?) It's because your waterlogged legs are desensitized. The leech also injects a numbing fluid.
10. Describe what this leech looks like: Like all bloodsucking leeches, it's got 34 segments, each of which has its own brain (or ganglia). Thirty-four brains—not bad for a slimy little worm.
11. Just how big do they get, anyway? (explain "shortening") . When it moves, the leech elongates its body by contracting the circular muscles, then "shortens" it by contracting the longitudinal muscles.
12. Describe the leech on Roy Sawyer's arm: When fully stretched out, that translates, in the largest specimens, to 18 inches long.
13. What is the point of all of this? (why collect this leech?) He also suspects that H. ghilianii hosts a unique group of bacteria that provide this service, and he wants to find specimens and look inside them.
1. Who is the scientist that you are taking the tour with? Mark Siddall
2. Where are you? French Guyana
3. What are you and the scientist looking for? Giant Amazon Leech
4. Where are you going? What part of the world is that? Unspoiled marshes near the country's tropical coast
5. What are you doing in the forest? You have to go through the forest to get to the swamps
6. Are we there yet? Describe the savannah swamps: Wet season fills for 1 to 4 feet of freshwater
7. List and describe two creatures in the swamp: Piranha that de-flesh you, and an electric fish that you get a nasty shock from
8. How do we find these creatures? We don't they find us, your the bait. You cant set traps for these creatures except ur own legs.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?) Giant Amazon leeches do not bite, it stabs. The anticoagulant is Hirudo medicinalis
10. Describe what this leech looks like: Has 34 segments (which look like ridges) with a brain or ganglia in each segment. Which makes them have 34 brains.
11. Just how big do they get, anyway? (explain "shortening") Like all soft-bodied animals, leeches have 2 types of muscles in thier body walls ( an outer circular layer and an inner longitudinal layer). when it moves around tha leeches elongates its body by contracting the outer muscles. Then it shortens its body by contracting the inner muscles.
12. Describe the leech on Roy Sawyer's arm: When fully pulled out it is 18 in. long
13. What is the point of all of this? (why collect this leech?) It lacks certain amino acids and vitamins. Also they have evolved a symbiotic relationship with special bacteria that live in organs called mycetomes attached to the leeches esophagus.
1. Who is the scientist that you are taking the tour with? Mark Siddell
2. Where are you? French Guyana
3. What are you and the scientist looking for? The giant Amazon Leech
4. Where are you going? What part of the world is that? Heading into unspoiled marshes near the country’s tropical coast
5. What are you doing in the forest? Hiking
6. Are we there yet? Describe the savannah swamps: It’s filled with one to four feet of freshwater and has a lot of mosquitoes and biting flies
7. List and describe two creatures in the swamp: Capybara, largest rodent and a Caimen, alligator reaches 20 feet in length
8. How do we find these creatures? Bend over in the water because its hard to find leeches with there dark skin
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?) The Giant Amazon leech does not bit, it stabs. Anticoagulant keeps and blood flowing
10. Describe what this leech looks like: has 34 segments which has 34 brains and is dark brownish black
11. Just how big do they get, anyway? (explain "shortening") when it moves, the leech elongates its body by contracting the circular muscles then “shortens” it by contracting the longitudinal muscles
12. Describe the leech on Roy Sawyer's arm: Long. Black and is about 18 inches long
13. What is the point of all of this? (why collect this leech?) Blood alone is not able to sustain them
Mackenzie McNatt
1.Who is the scientist that you are taking the tour with?
Mark Siddall
2. Where are you?
French Guyana, a warm tropical country between Surinam and Brazil
3. What are you and the scientist looking for?
]Giant Amazonian Leech
4. Where are you going? What part of the world is that?
Unspoiled marshes near the country's tropical coast, The Amazon
5. What are you doing in the forest?
To get to the swamps you have to hike through the forest.
6. Are we there yet? Describe the savannah swamps:
The savannah swamps fill with one to four feet of freshwater in the wet season
7. List and describe two creatures in the swamp:
capybara, the world's largest rodent, caiman can reach over 20 feet in length
8. How do we find these creatures?
The only way to catch leeches is to use yourself as bait.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
Your waterlogged legs are desensitized. Anticoagulant keeps the blood to flow without clotting.
10. Describe what this leech looks like:
All bloodsucking leeches have 34 segments to its body each segment has its own brain
11. Just how big do they get, anyway? (explain "shortening")
About the length of a mans forearm. When it moves, the leech elongates its body by contracting the circular muscles, then "shortens" it by contracting the longitudinal muscles. Its muscles are also ideal for swimming.
12. Describe the leech on Roy Sawyer's arm:
Big
13. What is the point of all of this? (why collect this leech?)
Blood alone is not able to sustain them; it lacks certain essential amino acids and vitamins. To make up for this deficit, bloodsucking leeches have evolved symbiotic relationships with special kinds of bacteria, which live in organs called mycetomes attached to the leech's esophagus. In exchange for a safe place to live, the microbes contribute the missing nutrients, Mark believes. He also suspects that H. ghilianii hosts a unique group of bacteria that provide this service, and he wants to find specimens and look inside them. His work will help explain how such symbiosis evolved.
Kala Kerr 2nd Block 10/24/08
Hunt for the Giant leech:
1. Who is the scientist that you are taking the tour with?
mark siddall
2. Where are you?
the French Guyana
3. What are you and the scientist looking for?
the giant amazonian leech
4. Where are you going? What part of the world is that?
unspoiled marshes near the countrys tropical coast (amazon)
5. What are you doing in the forest?
trying to get to the swamps, you have to hike through the forest to get there.
6. Are we there yet? Describe the savannah swamps:
they can fill with one to four feet of freshwater
7. List and describe two creatures in the swamp:
electric fish- shock you
a pool of piranha- bite at your flesh
8. How do we find these creatures?
you dont have to, they will find you.
9. Explain why you do not feel it if one bites you: (what is an anticoagulant?)
beacuse your waterlogged legs are desensitized; it thins your blood so that it will keep flowing.
10. Describe what this leech looks like:
long, 34 segments, black, larger at one end than the other.
11. Just how big do they get, anyway? (explain "shortening")
the length of a mans forearm, 18 inches
12. Describe the leech on Roy Sawyer's arm:
as long as his forearm, long and thick, black, 18 inches.
13. What is the point of all of this? (why collect this leech?)
it lacks certain essential amino acids and vitamins. they have evolved symbiotic relationships with special bacterias that live in the organ called the mycetomes attached to the leechs esophagus.
MOLLY GANN
Post a Comment