BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 53, Problem 11U
Summary Introduction

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Altruism is an animal behavior that benefits other organism at its own cost. The altruism of an individual will be selected by nature as its sacrificing behavior will lead to an increase in the propagation of its own alleles through kin selection.

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When an individual behaves in a way that reduces its own fitness butincreases the fitness of others, the organism is exhibitinga. kin selection. b. group selection. c. altruism. d. selfishness. e. ignorance.
This hypothesis suggests that a resulting association of female preference and male display trait can lead to a positive feedback cycle of ever stronger preference and greater display trait. A. Fisher-Zahavi process. B. Fisher's runaway model. C.Good genes process. D.Bateman's principle.
Some females seem to prefer the green colouration and some females seem to prefer the blue colouration. What type of selection is this an example of? a. stabilizing  b. balancing  c. directional  d. diversifying
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