Sentence Examples


  • After this a marked sexual dimorphism sets in.
  • The iris is in most young birds at first brown or dull-coloured, but with maturity attains often very bright tints which add considerably to the charm of the bird; sexual dimorphism is in this respect of common occurrence.
  • The phenomenon of seasonal dimorphism is of especial moment for the plankton dwellers.
  • Molluscs are usually of separate sexes, but sexual dimorphism is seldom highly developed.
  • In some species of Dinophilus there is pronounced sexual dimorphism (the male being small and without gut) as in the Rotifera.