Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1259188132
ISBN 13: 978-1-25918-813-8

Chapter 21 - The Evidence for Evolution - Review Questions - Understand - Page 439: 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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