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The top documents tagged [ancestors of reptiles]
Question #1: Birds & reptiles are similar in that they are vertebrates & lay eggs. They differ in that reptiles have teeth & birds have
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Biology - Amphibians
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Class: Amphibians (Chapter 40) The name amphibian means "double life” For while adult amphibians usually live on land, their soft eggs must be laid in
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SUBPHYLUM VERTEBRATA Class Amphibia. Origin and Evolution of Amphibians Introduction About 400 million years ago, the first amphibians evolved from
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