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vertebrates
flashcards
Term | Definition |
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chordates | The phylum whose members have a notochord,a nerve cord,slites in there throat area at some point in their lives |
notochord | a flexible rod that supports a chordates back. |
endoskeleton | an internal skeleton. |
exoskeleton | a waxy,waterproof outer shell. |
cartilage | a flexible, strong tissue that is softer than bone. |
endotherm | a animal whose body controls and regulates its temp.by controlling the internal heat it produces |
ectotherm | an animal whose body does not produce much body heat. |
fish | an ectotherm vertebrate that lives in the water and has fins. |
crop | a birds internal storage tank that allowes it to store food inside its body after swallowing it. |
gizzards | a thick-wall,muscular part of a birds stomach that squeezes and grinds partillay digested food. |
vertebrate | an animal that has a backbone. |
mammary glades | the organs that produce milk with which mammmal feed their young. |
swimmbladder | an internal gas-filled organs that helps a bony fish stablized its body at different water depths. |
vertebrae | the bone that makes up the backbone of an animal. |
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