sexual selection

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  • Created by: gilli
  • Created on: 02-03-15 19:35
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  • sexual selection
    • intra sexual completion between mates selection of traits that lead to success with the females passed on to next generation
    • intersexual - mate choice selection of triaits  pass on to offspring = good genes, mate offer protection and support to offspring selection for good parents
    • short term mating   strategy         = sexual behaviour males evolved greater desire casual sex, impregnate as many women as possible > pass on genes cf to other less successful  males  , lower standards stm
    • long term mating males and females females ltm increases success of reproduction why? greater investment in offspring 9 months pregnant man look after woman, , lactation, child birth, less gametes - wasted gamete , stm if child dies , child malnutrition,  low birth weight


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