Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 36, Problem 8RQ
Summary Introduction
To describe: The selective advantages of ritualized display over fight-to-death encounters, to both winners and losers, that take place within social groups to establish dominance.
Introduction: A ritualized display is the behavior that has been made increasingly effective in enabling communication between organisms through evolution. In this process, a simple trait becomes more intensive, inconspicuous, and precise and also aid in reducing misunderstanding.
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What are indirect fitness benefits of siblicide? When would an individual gain more from siblicide than from inclusive fitness benefits? When might it be worth it for a subordinate to fight to the death with its dominant sibling?
Earlier explanations of altruistic behavior as a form of group selec-tion have been supplanted by Hamilton’s hypothesis of kin selection. What distinguishes kin selection and how does it accord with the no-tion of inclusive fitness, the relative number of an individual’s alleles that pass to the next generation?
Identify whether each of the following scenarios is most likely to result in stabilizing, disruptive, or
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a) Beetles that emerge from hibernation too early are more likely to killed by frost, those that emerge
too late will miss the chance to mate [Select ]
b) Frogs with mating calls that are between 400 and 600 chirps per minute attract more mates than
frogs with calls that are lower than 400 chirps per minute or greater than 600 chirps per minute
[ Select ]
c) Plants with the largest leaves are better able to gather sunlight in the rainforest
[ Select ]
d) Giraffes with longer necks can reach more leaves, but they have a harder time pumping blood from
their heart up to their brain [Select]
e) Mice with the lighter fur are better camouflaged from predators than mice with darker fur
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stabilizing selection
disruptive selection
directional selection
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Loose Leaf For Integrated Principles Of Zoology
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