• Created by: Owain
  • Created on: 03-01-13 17:10

Evolution is a change in organisms over time. Evolution happens as a result of natural selection. Natural selection was first described by Charles Darwin

  • There is variation between organisms of a species
  • Variation can be caused by a mutation
  • The organisms best suited to their environment are more likely to survive to breed
  • The genes which caused the successful variation are passed on to the next variation

This theory can be applied to different situations in a question.


Before the industrial revolution most peppered moths were…


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