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Science. Zoology.        
a primitive chordate Chordates.Vertebrates.
kor'dAt, comprising the true vertebrates and those animals having a notochord.
Last Updated
11/02/2008

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What Is A Vertebrate?
Reptiles. Reptiles and Amphibians.
Birds. Birds.
Mammals. Mammals.
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Science.--Zoology.

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What Is A Vertebrate?

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