The biological concept of species was given by . . . . . . and it is based on . . . . . . .

  • A
    Lamarck; physiological isolation
  • B
    Linnaeus; morphological isolation
  • C
    Ernst Mayr; mechanical isolation
  • D
    Ernst Mayr; reproductive isolation

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$R.$ This Greek naturalist is known as the father of botany.

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