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A geographically variable species often divided into many subspecies is referred to as ......................

  • A.Monotypic species
  • B.Sister species
  • C.Sibling species
  • D.Polytypic species

Answer: D

Such a species is a polytypic species.

A polytypic species is one with geographically distinct populations that differ enough to be recognised as subspecies, as in many widespread birds and mammals.

A monotypic species has no subspecies. Sister species are each other's closest relatives, sharing an immediate common ancestor. Sibling species are reproductively isolated species that look almost identical, the opposite of a single variable species.

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