.2 evolution

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Cards (3)

  • evolution
    a change in the inherited characteristics of a population over time through a process of natural selection - which may result in a new species
  • The theory of evolution by natural selection states that all species of living things have evolved from simple life forms that first developed more than three billion years ago.
  • If two populations of one species become so different in phenotype that they can no longer interbreed to produce fertile offspring they have formed two new species.