Natural selection

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Storyboard Text

  • GENETIC VARIATION
  • OVERPOPULATION AND THE STRUGGLE FOR EXISTENCE 
  • DIFFERENTIAL SURVIVAL AND REPRODUCTION
  • The Brown Rabbits Are Easier To Spot
  •                 There are two types of rabbits one being brown and the other black. 
  • CHANGES IN GENE POOL
  • The rabbits overpopulate because they want to make sure that at least some of their offspring make it, while the other ones die.
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  • The Brown rabbits are eaten off quicker because they are lighter than their surroundings and are easier to spot by eagles.  
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  • Since the Black bunnies survive they pass on their genes to their offspring and eventually the majority will be black. 
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