When testosterone and aggression are only related when opportunities for reproduction are high, it is called __________.

Question

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The Challenge Hypothesis proposes that testosterone and aggression are only related when opportunities for reproduction are high, such as during the breeding season for birds or during social dominance contests for humans. This means that testosterone increases aggression when there is a potential for reproductive success, but not necessarily in other contexts.

When Testosterone and Aggression Are Only Related When Opportunities for Reproduction