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Biology Topic 5

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  • What is overproduction?
    More offspring are produced than can survive
  • What is adaptive value?
    Any trait that helps an organism survive and reproduce under a given set of environmental conditions.
  • What is natural selection?
    Nature selects those individuals who are best fit for the environment
  • What is variation?
    Differences among organisms in a specied
  • What is extinction?
    The disappearances of an entire species caused by a failure to adapt to a changing environment
  • What is evolution?
    Process of which organisms have changed over time
  • What is competition?
    The fight for limited resources
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