Answer to Question #163229 in Biology for rei

Question #163229
  1. Give  5 SIMILAR SPECIES WITH DIFFERENT CHARACTERISTICS.


2.Give 3 examples on the REPRODUCTIVE ISOLATING MECHANISMS.

GEOGRAPHIC ISOLATION

TEMPORAL OR SEASONAL ISOLATION

BEHAVIORAL ISOLATION

MECHANICAL ISOLATION

GAMETIC ISOLATION


1
Expert's answer
2021-02-15T12:04:05-0500

1. The examples of divergent evolution (similar species that gained different traits) include the species from the genus Equus: Equus ferus (wild horse), Equus zebra (mountain zebra), Equus kiang (kiang), Equus africanus (african wild ass, donkey), Equus hemions (asiatic wild ass).

2. Reproductive isolating mechanisms:

  • GEOGRAPHIC ISOLATION: chimpanzees and bonobos separated by the river Congo.
  • TEMPORAL OR SEASONAL ISOLATION: Chinook salmon who spawn at different times of the

year along.

  • BEHAVIORAL ISOLATION: Some species of crickets mate only with males that produce a particular mating song.
  • MECHANICAL ISOLATION: flowering plants that do not have the appropriate shape for a pollinator will not be fertilized.
  • GAMETIC ISOLATION: though the sea urchins Strongylocentrotus purpuratus and S. franciscanus release their eggs and sperm simultaneously, the fertilization occurs between sperm and egg cells of the same species.

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