WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 25, Problem 11MC
Summary Introduction

Introduction:

The reproductive activities of male songbirds–activities such as courting mates and securing their territory–are affected by testosterone.

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Chimpanzee males have large testes for their body size. One widely accepted theory proposed to explain this feature is that it is … A. a form of male dominance display. B. a response to the large estrus swelling in females. C. necessary because chimpanzee females have low fertility. D. a consequence of sperm competition. E. attractive to female chimpanzees.
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In Biology of Beauty, Cowley found that contemporaryfemales are attracted to males with broad foreheads and strong chins, and that this effect persisted across different cultures. How did Cowley explain this result? A. This is a trick question- this attraction is culturally relative B. Males compete for access to females by developing these features as a form of male-male competition C. There is no evidence that females really are differentially attracted to males with these features  D. Attraction to males with these features is adaptive for females  because males with these traits are usually sexually mature and have healthy immune systems E. Only some human cultures value these traits as attractive.
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