Which one of the following sequences was proposed by Darwin and Wallace for organic evolution?

  • A
    Variations, natural selection, overproduction, constancy of population size.
  • B
    Overproduction, variations, constancy of population size, natural selection.
  • C
    Variations, constancy of population size, overproduction, natural selection.
  • D
    Overproduction, constancy of population size, variations, natural selection.

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