cephalchordata
TRANSCRIPT
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Sangita Kanumalla
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About Me!
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There is more to me than my simple, plain appearance and bilateral symmetry . I am someone who loves to relax. I come from a very small part of the animal kingdom
Humans, especially in Asia, think that I am absolutely delicious and I am also extremely important to the study of how vertebrates have evolved and adapted. I am their closest cousins
Lancelets
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Where to Find Me
Looking for me? You can find me buried in the sand in a warm, shallow, tropical or temperate oceans. I feed by filtering water.
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My Hobbies
I really enjoy laying in the water, particularly in the sand leaving my anterior end exposed
You can find a lot of us laying on a beach in Jamaica or Tampa Bay Florida There are over 5,000 of us per square meter
I really love relaxing all day and not having any worries (except getting eaten)
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Some Interesting Facts About Me
My ancestors devised an early form of swimming mechanism of fishes This allows me to swim to new locations when I
am bored We have segmented muscle bands along the
sides of our notochord We are suspension feeders
We are suspension feeders Pharynx and gill slits are feeding structures
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More Facts About Me!
Notochord, Nerve Chord, Pharyngeal Slits, Postanal Tail Later evolved into vertebrates Gas exchange takes place on the external part of my body I have a closed circulatory system and no central heart--
DOES NOT MEAN I CANNOT LOVE! Unfortunately, our brain and sense organs are poorly
developed but that doesn’t mean that I don’t have any feelings!
I trap food in my pharynx
I fertilize externally :)
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My Ideal MateMy Ideal Mate
» I need someone who is willing to look past my unattractive appearance and look into my inner beauty and my heart (even though I really don’t have one!)
» Someone who loves to lay in the sand and relax all day
» I need someone who is willing to look past my unattractive appearance and look into my inner beauty and my heart (even though I really don’t have one!)
» Someone who loves to lay in the sand and relax all day
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Works Cited
Campbell, Neil A., and Jane B. Reece. Biology, Sixth Edition. San Francisco: Benjamin Cummings, 2001.This biology textbook described many important features of the cephalochordata
"Cephalochordata, Laboratory Notes for BIO 1003." 18 Apr. 2009 <http://faculty.baruch.cuny.edu/jwahlert/bio1003/chordata.html>.This website gave information on the anatomy of the cephalochordata
"Evolution and Comparative Anatomy of Vertebrates." 18 Apr. 2009. This website gave a lot of information on the evolution of the cephalochordata
"Introduction to the Cephalochordata." UCMP - University of California Museum of Paleontology. 18 Apr. 2009 <http://www.ucmp.berkeley.edu/chordata/cephalo.html>. This website gave a lot of information on the different habits and features of the cephalochordata