Biology (11th Edition)

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

Chapter 54 - Behavioral Biology - Review Questions - Understand: 8

Answer

A.

Work Step by Step

B. is not true--they are supposed to be a proof of fitness, and C. is not true since males are adapted to carry these feathers. D. is wrong since A. is right.
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