EBK BIOLOGY
EBK BIOLOGY
10th Edition
ISBN: 8220100474729
Author: Martin
Publisher: Cengage Learning US
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Chapter 32.8, Problem 4C
Summary Introduction

To contrast: The three main clades of mammals.

Concept introduction: In the late Devonian era, the aquatic vertebrates are adapted to terrestrial vertebrates. This adaptation is an important step towards the evolution of modern terrestrial vertebrates. By the end of Cretaceous era, the mammals had evolved from amniotic ancestors.

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