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 - Understand: 2

Answer

C.

Work Step by Step

The biological species concept requires two species be unable to mate and produce fertile offspring (A.). A. is wrong because it involves individuals rather than a whole population and does not specify that they cannot mate (just that the don't mate), while B. is incorrect since reproductive isolation can be prezygotic or postzygotic--choice B. is too narrow. Since C. is correct, D. is incorrect.
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