Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 26, Animal Evolution and Diversity - Standardized Test Prep - Page 779: 6

Answer

D

Work Step by Step

Option A is incorrect. Reptiles have scale-like skin. Option B is incorrect. Reptiles lay eggs that have a shell covering. Option C is incorrect. Reptiles all have lungs. Option D is correct. Mammary glands are characteristics of the group of animals called mammals.
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