Sexual Selection and Human Reproductive Behaviour Essay Plan

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  • Created by: tiacoles
  • Created on: 14-01-16 16:07


  • The Nature of Sexual Selection
  • Competition for mates between individuals of the same sex affects the evolution of certain traits.
  • Sexual Selection and Reproductive Success
  • If a particular characteristic becomes established as a universal preference among males, then females with that characteristic will have a greater chance of reproductive success and these characteristics will become increasingly exaggerated.
  • Buss: Found that males found an 'hourglass' figure attractive which is logical as this suggests fertility.
  • Intrasexual and Intersexual Selection
  • Intrasexual Selection: Males compete with other males for access to mates (selection within the same sex)
  • Intersexual Selection: Females make a greater investment in


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