Intra-sexual selection

• What is intra-sexual selection within?

  Each sex
• Intra-sexual selection

  Strategies between males to be the one selected
• Who is intra-sexual selection the preferred strategy of?

  Males
• Males = Quantity over quality
• There is competition between males to be selected to mate with a female
• What has intra-sexual selection given rise to?

  Dimorphism
• What is dimorphism?

  Males and females looking different because of intra-sexual selection
• Females don't compete for reproductive rights so there's no evolutionary drive towards favouring larger females
• In females, youthfulness is selected as males have preference to mate with younger women
• What behavioural consequences does intra-sexual selection have?

  Deceitfulness, intelligence and aggression