Biology (11th Edition)

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

Chapter 22 - The Origin of Species - Review Questions - Apply: 4

Answer

B.

Work Step by Step

A. is wrong because natural selection does not operate based on population size, and C. is wrong since natural selection operates in one population at a time. D. is incorrect since it is not always intermediate phenotypes which are favored by natural selection.
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