Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 21 - The Evidence for Evolution - Review Questions - Understand: 3

Answer

B.

Work Step by Step

Since B. is correct, D. is not. A. is wrong because many lines of horses evolved, not just one species to another to another in a single line. C. is incorrect because the process has not been simple and many ancient horses looked very different from modern ones.
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