Biology 2010 Student Edition

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

Chapter 26, Animal Evolution and Diversity - Assessment - 26.3 Primate Evolution - Understand Key Concepts/Think Critically - Page 777: 20



Work Step by Step

Option a. is incorrect. Body hair is a characteristic of all mammals, not only of primates. Option c. is incorrect. A notochord is a characteristic of all chordates, not just primates. Option d. is incorrect. The ability to regulate internal body temperature is a characteristic of all endotherms, which includes the mammals and birds, not just primates. Option b. is correct. Rotation of the shoulder joint allows primates to climb trees and swing almost effortlessly from branch to branch.
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