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science

QuestionAnswer
chordate phylum members
notochord a flexible rod that supports a chordates back
vertebra the backbone is formed by many similar bones
ectotherm is an animal whose body does not produce much internal heat
endotherm an animal whose body regulates its own temp by controlling the internal heat producer
fish is an vertebrate that lives underwater
cartilage a tissue that is more flexible than a bone
swim bladder gas filled sac
Created by: s730590
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