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Males are more aggressive in their teens and early 20s than they are in their later years. based on the idea of evolution (as discussed by the authors of your text) because These are their peak reproductive years

Within-species variation has an adaptive benefit, according to evolutionary theory. Depending on the nature of the environmental setting as well as the features of the organism, such as age, sex, health, or physical size, optimal biological and behavioral strategies change.

This means that if an environment changes, qualities that help people survive in it will eventually adapt, or develop. Natural selection was able to describe the evolution of life with such force that it was accepted as a scientific hypothesis.

Learn more about evolutionary theory visit https://brainly.com/question/4427044

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