27. Quickly changing biotic environments a) favor asexual reproduction b) favor developmental canalization c) favor phenotypic plasticity d) favor sexual reproduction e) probably both c and d are favored by rapidly changing biotic environments

Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter43: Animal Behavior
Section: Chapter Questions
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26. Suppose that an especially ignorant bird has never taken an evolutionary biology
course, and never heard of or understood Hamilton's rule (very ignorant bird indeed):
a) it will know who to direct altruistic help toward
b) it is likely to think through its options for helping other individuals, and calculate
degrees of relatedness, costs, and benefits of certain actions
c) it will exhibit behaviors that in its ancestors successfully made Br-C >0
d) it will give up in frustration and not be altruistic
27. Quickly changing biotic environments
a) favor asexual reproduction
b) favor developmental canalization
c) favor phenotypic plasticity
d) favor sexual reproduction
e) probably both c and d are favored by rapidly changing biotic environments
Transcribed Image Text:26. Suppose that an especially ignorant bird has never taken an evolutionary biology course, and never heard of or understood Hamilton's rule (very ignorant bird indeed): a) it will know who to direct altruistic help toward b) it is likely to think through its options for helping other individuals, and calculate degrees of relatedness, costs, and benefits of certain actions c) it will exhibit behaviors that in its ancestors successfully made Br-C >0 d) it will give up in frustration and not be altruistic 27. Quickly changing biotic environments a) favor asexual reproduction b) favor developmental canalization c) favor phenotypic plasticity d) favor sexual reproduction e) probably both c and d are favored by rapidly changing biotic environments
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