Cards (39)

    • What is sexual selection a component of?
      Natural selection
    • Sexual selection occurs because individuals with specific traits are more successful at attracting mates
    • Sexual selection leads to traits that enhance reproductive success becoming more common in future generations.
    • What is intrasexual selection characterized by?
      Competition for mates
    • In intrasexual selection, individuals of the same sex compete for access to mates
    • Intrasexual selection often leads to traits that enhance competitive ability.
    • What is intersexual selection based on?
      Mate choice
    • Intersexual selection occurs when one sex chooses mates based on specific traits
    • Intersexual selection can lead to the evolution of traits that are attractive to the opposite sex.
    • Match the type of selection with an example:
      Intrasexual selection ↔️ Male-male fighting
      Intersexual selection ↔️ Peacock's tail
    • Both intrasexual and intersexual selection enhance reproductive success through different mechanisms.
    • What is a key example of a trait evolved through sexual selection?
      Peacock's colorful tail
    • Sexual selection can lead to the evolution of traits that make individuals more desirable to potential mates
    • Intrasexual selection involves competition within the same sex for mating opportunities.
    • What type of traits are often enhanced through intrasexual selection?
      Competitive ability
    • What is the primary mechanism of intersexual selection?
      Mate choice
    • Intersexual selection involves one sex choosing mates based on certain attractive traits.
    • Intersexual selection involves one sex choosing mates based on certain traits
    • Intrasexual selection involves competition between members of the same sex for mating opportunities.
    • Intersexual selection involves one sex choosing mates based on competition.
      False
    • Both types of selection drive the evolution of traits that enhance reproductive success
    • What is an example of intrasexual selection leading to aggression?
      Stags fighting with antlers
    • How does intrasexual selection contribute to aggression?
      By establishing dominance for mates
    • Stags competing for mating rights by fighting with their antlers is an example of intersexual selection driving aggression.
      False
    • Stags competing for mating rights by fighting with their antlers is an example of intrasexual selection driving aggression
    • What is an example of intrasexual selection driving aggression?
      Stags fighting with antlers
    • To understand intrasexual selection, it's helpful to contrast it with intersexual selection.
    • Match the type of sexual selection with its description:
      Intrasexual Selection ↔️ Competition between same sex
      Intersexual Selection ↔️ Choice by one sex
    • Intrasexual selection often leads to aggressive behaviors to establish dominance.
    • What type of traits evolve under intersexual selection?
      Traits attractive to other sex
    • Male-male fighting is an example of intrasexual selection, while a peacock's tail is an example of intersexual selection.
    • Intrasexual selection is the primary driver of aggression in many species.
    • How does intersexual selection influence aggression?
      Through mate choice
    • Sexual selection is a key aspect of natural selection where certain traits enhance reproductive success.
    • Intrasexual selection involves competition for mates, while intersexual selection involves mate choice.
    • What are examples of traits enhanced by intrasexual selection?
      Size, strength
    • What is the role of intersexual selection in aggression?
      Defend display territories
    • Evolutionary explanations of aggression through sexual selection involve two main processes: intrasexual and intersexual selection.
    • Evolutionary explanations of aggression neglect cultural and social factors.
    See similar decks