Sexual Selection

10 Questions

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Sexual selection is a subcategory of natural selection, where members of one biological male/female choose mates of the opposite male/female to mate with and compete with members of the same male/female in order to do so.


Questions and Answers
  • 1. 
    What type of selection is most likely responsible for the large antlers seen on male elk?
    • A. 

      Intersexual selection

    • B. 

      Group selection

    • C. 

      Intrasexual selection

    • D. 

      Kin selection

  • 2. 
    Mate choice is usually exercised by
    • A. 

      Males

    • B. 

      Females

    • C. 

      A and B

    • D. 

      Neither A nor B

  • 3. 
    Select the correct statement.
    • A. 

      Sexual selection is the same as natural selection.

    • B. 

      Sexual selection is a type of natural selection.

    • C. 

      Sexual selection is the opposite of natural selection.

  • 4. 
    If males compete against each other for access to females, and females choose among males for mates, then we would expect females to be brightly colored and males to be drab.
    • A. 

      True

    • B. 

      False

  • 5. 
    Intersexual Selection occurs between members of the same sex.
    • A. 

      True

    • B. 

      False

  • 6. 
                                 is the difference in appearance between the two sexes in the same species.
  • 7. 
    Cryptic female choice is a part of intersexual selection.
    • A. 

      True

    • B. 

      False

  • 8. 
    Sexual Selection affects female characteristics more intensely than it does male characteristics. 
    • A. 

      True

    • B. 

      False

  • 9. 
    Horns in male sheep, antlers in male moose, and male fiddler crabs with enlarged claws are examples of
    • A. 

      Sexual dimorphism

    • B. 

      Intrasexual selection

    • C. 

      Intersexual selection

    • D. 

      Female cryptic choice

  • 10. 
    What is one characteristic of female cryptic choice?
    • A. 

      It inhibits inbreeding.

    • B. 

      It is defined under intrasexual selection.

    • C. 

      It explains the relative abundance of traits.