Tray84 Tray84
  • 17-08-2018
  • Biology
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What is the raw material of evolutionary change?

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dinne1234 dinne1234
  • 17-08-2018
Mutations Are the Raw Materials of Evolution. A mutation is a change in the sequence of an organism's DNA. What causes a mutation? Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment
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