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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.
Created by: spongebob11