Sexual selection

Cards (7)

  • Attractive characteristics evolve through sexual selection
  • Natural selection is the process where characteristics that make an individual more likely to produce and pass their genes to become more prevalent in a population
  • Darwin's theory of natural selection is generally accepted
  • Process of natural selection
    • Within a species there are certain characteristics making an individual more able to find a partner
    • Characteristics give an individual a reproductive advantage, become more prevelant --> genes likely to be passed
  • Two types of sexual selection
    Intra-sexual selection and Inter-sexual selection
  • Intra sexual selection
    • Males compete (through aggression)
    • Winner awarded with female
    • Female is passive in the process
  • Inter sexual selection
    • Males compete for attention from female
    • Female active in choosing mate