• Darwin was influenced by other early thinkers, including Lamarck, Lyell, and Malthus.
  • He was also aware that humans could breed plants and animals to have useful traits.
  • By selecting which animals were allowed to reproduce, they could change an organism’s traits.
  • Darwin called this type of change in organisms artificial selection.
  • He used the word ‘artificial’ to distinguish it from natural selection.
  • Alfred Russel Wallace sent Darwin a paper explaining his evolutionary theory.
  • This served to confirm what Darwin already thought.
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