Bateman's Principles Quiz
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Questions and Answers

What is the primary reason environmental conditions can inhibit a male's contribution to subsequent populations?

  • Because the environment can kill its offspring (correct)
  • Because the environment can alter mating preferences
  • Because the environment reduces male aggression
  • Because the environment affects male reproductive physiology

    • Do random effects have an effect on the males that produce the most offspring?

  • Yes, it does
  • No, it does not (correct)
  • It depends on the specific random effects
  • Random effects only affect female reproductive success

    • Why are external appearances sometimes not reliable for identifying a member of a species as male or female?

  • Because sometimes males are not always the most colorful or biggest (correct)
  • Because males and females of the species look identical
  • Because external appearances change throughout the mating season
  • Because external appearances do not accurately reflect reproductive success

    • What is the best way to identify males and females?

    <p>Size of gametes (eggs and sperm) because eggs are much bigger than sperm</p> Signup and view all the answers

    What do females care the most about in males?

    <p>Resources</p> Signup and view all the answers

    What do males care about most in females?

    <p>Males like younger females because they can produce for longer</p> Signup and view all the answers

    What does intrasexual mean?

    <p>Competition between members of the same sex for access to mates</p> Signup and view all the answers

    What is intersexual competition?

    <p>Competition between members of the same sex over a potential mate</p> Signup and view all the answers

    Who typically invests more in raising offspring?

    <p>Females</p> Signup and view all the answers

    What are the Bateman principles?

    <p>Males have greater variance in number of offspring, males have greater number of mates, and there is a correlation between number of mates and number of offspring for males</p> Signup and view all the answers

    What does a Bateman slope show?

    <p>A relationship between a male's number of mates and number of offspring</p> Signup and view all the answers

    What is sexual dimorphism?

    <p>When there is a systematic difference between males and females of the same species</p> Signup and view all the answers

    Did the Byers J, and S. Dunn support Bateman's principles?

    <p>Yes</p> Signup and view all the answers

    What caused the variance in Bateman's slope between years?

    <p>Fawn mortality</p> Signup and view all the answers

    Are sexual selection and natural selection independent processes?

    <p>No, they are entangled</p> Signup and view all the answers

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