• Animal behavior includes all the ways that animals interact with each other and the environment.
  • Ethologists usually study how animals behave in their natural environment, rather than in a lab.
  • Whether behaviors are controlled mainly by genes or by the environment is often a matter of debate.
  • Most animal behaviors are not controlled by nature or nurture alone.
  • Instead, they are influenced by both nature and nurture.Behaviors that improve fitness increase through natural selection.
  • behaviors that put oneself at risk could actually increase throughnatural selection.
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