The correct description of altruism by kin selection is thatO An individual helps because all of its relatives count fully toward its indirect fitnessThe benefit of the act of helping a relative, weighted by their relatedness, must outweighthe costs of the act by the donorAn individual will always act to help a related recipientO As long as the recipient of the act is closely related individual to the donor, the costs andbenefits of the act itself do not matter The coefficient of relatedness between you and your uncle on your dad's side isO 0.25O 0.50.125O 0.75

The coefficient of relatedness (r) is a measure of how related two individuals are. It is usually…

The correct description of altruism by kin selection is that O An individual helps because all of its relatives count fully toward its indirect fitness O The benefit of the act of helping a relative, weighted by their relatedness, must outweigh the costs of the act by the donor O An individual will always act to help a related recipient O As long as the recipient of the act is closely related individual to the donor, the costs and benefits of the act itself do not matter

The correct description of altruism by kin selection is that O An individual helps because all of its relatives count fully toward its indirect fitness O The benefit of the act of helping a relative, weighted by their relatedness, must outweigh the costs of the act by the donor O An individual will always act to help a related recipient O As long as the recipient of the act is closely related individual to the donor, the costs and benefits of the act itself do not matter

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter39: Animal Behavior

Section: Chapter Questions

Problem 14SA

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Acorn woodpeckers (Melanerpes formicivorus) stash acornsin storage holes they drill in trees. When these woodpeckersbreed, the offspring from previous years often help withparental duties. Activities of these nonbreeding helpers includeincubating eggs and defending stashed acorns. Propose somequestions about the proximate and ultimate causation of thesebehaviors that a behavioral biologist could ask.
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?
Differentiate Kin selection from altruism.
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In Hamilton's rule, rB > C, the term "C" refers to a. the number of offspring an individual could potentially gain as a result of behaving altruistically b. the average number of offspring an individual is expected to lose as a result of behaving altruistically c. the coefficient of relatedness between two individuals d. the number of offspring gained by an individual that receives help from an altruist
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