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Text File  |  1992-09-02  |  275b  |  8 lines

  1. An organism's ability to reproduce, as
  2. distinct from the rate at which it reproduces
  3. (see fecundity). Individuals become infertile
  4. (unable to reproduce) when they cannot
  5. generate gametes (eggs or sperm) or when
  6. their gametes cannot yield a viable embryo
  7. after fertilization.
  8.