Animals that have successfully fought to get food or mates become increasingly ferocious. This best illustrates that aggression is influenced by

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Quizplus · Accepted Answer

This question is asking about the factors that influence aggression, and specifically about how animals become more aggressive after securing food or mates. The best explanation for this phenomenon is reinforcement, as animals are likely to repeat behaviors that lead to positive outcomes (like securing food or mates). Superordinate goals and scapegoating are less relevant to this scenario, and while frustration can contribute to aggression, it does not fully explain why animals become more aggressive after being successful in obtaining resources. Therefore, D (reinforcement) is the best choice.

Animals That Have Successfully Fought to Get Food or Mates