Two males are fighting for territory that will increase the probability of mating success. Which term best describes this activity? O Intrasexual selection O Intersexual selection O Artificial selection O Mutation

Two males are fighting for territory that will increase the probability of mating success. Which term best describes this activity? O Intrasexual selection O Intersexual selection O Artificial selection O Mutation

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter45: Population And Community Ecology

Section: Chapter Questions

Problem 28RQ: The sacrifice of the life of an individual so that the genes of relatives may be passed on is called...

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Animal Behavior

Animal behavior can be defined as all the things that animals do. In response to a stimulus, an animal performs a certain fixed action pattern, or FAP, of behavior. This response occurs to make the animal more adaptable to change. So, behavior is generally a stimulus-oriented response. A behavior is an expression of the capabilities of the nervous system. A stimulus is determined by the environment, while the nervous system determines a response.

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Two males are fighting for territory that will increase the probability of mating success. Which term best describes this activity?
O Intrasexual selection
Intersexual selection
Artificial selection
O Mutation

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Intrasexual selection involves competition among one sex (typically males) for mating access to the other sex. Intersexual selection involves mate choice in which individuals from one sex (typically females) choose their mates from among individuals of the other sex. Imagine a group of males that is engaged in agonistic behavior, from which Male A emerges triumphant. Now imagine a female that is assessing all of the males that were involved in the fights, and chooses Male A. Explain why this situation shows how intrasexual and intersexual selection pressures are likely both at play in the trait selection.
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