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Chordates are heterotrophic- they can’t make their own food. They reproduce sexually instead of asexually. All Chordates have a notochord (pliable rod like structure). A Chordate’s notochord doesn’t develop into a backbone, but when a Vertebrate is an embryo, theirs does. Chordates have body segmentation. All possess an endoskeleton (skeleton inside the body). They have a complete digestive system. Subphyla: Tunicata, Cephalochordata, and Vertebrata.
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Chordates are complex organisms with specialized cells. They have bilateral symmetry- meaning they are usually proportioned. This group of animals lives anywhere from land to sea to air. Chordates “breath” in O 2 and expel CO 2. They have a ventral heart (a chambered heart). These animals also have a closed blood system (always within vessels). May have a tail (ex. humans – coccyx). The possess a nervous system and a brain.
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Reptiles- snake Amphibians- frog Mammals- cow Birds- flamingo Fish- shark/clown fish
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Reptiles are animals that are born on land from eggs and spend the majority of their lives on land. Amphibians are creatures that are born from eggs with fish- like qualities, but develop into semi-aquatic animals. Mammals are animals that are born by live birth and are fed their mother’s milk. They can live on land or in water. Birds are organisms that are born out of eggs, but they are not fed their mother’s milk like mammals. They also possess wings and the majority fly. Fish are divided into three groups: bony fish, cartilaginous fish, and jawless fish. Bony fish (fin fish) have a skeleton made of bone like in a clown fish. Cartilaginous fish have a skeleton made of cartilage like in sharks and rays. And jawless fish lack jaws like seen in the hagfish. All live in the water.
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58, 000 species of Chordata Chordates can be cold or warm blooded. They have the highest “developed brains” out of all the other phyla. Chordates can be omnivores as well as herbivores and carnivores.
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Brain POP. "BrainPOP | Science | Learn about Vertebrates." BrainPOP - Animated Educational Site for Kids - Science, Social Studies, English, Math, Arts. FWD Media, Inc., 1999-2012. Web. 02 Feb. 2012. <http://www.brainpop.com/science/diversityoflife/ vertebrates/>. MCWDN. "Chordates." Monroe County Women's Disability Network. Monroe County Women's Disability Network. Web. 02 Feb. 2012.http://www.mcwdn.org/Animals/Chordate.html. About.com. "Spinal Chords." About.com. The New York Times Company, 2012. Web. 5 Feb. 2012. "Page R55." McDougal Littell- Life Science. Houghton Mifflin, 2008. Print.
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