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allopatric vs. sympatric

allopatric vs. sympatric: What's the difference?

In biology and ecology, organisms which are allopatric originate in or occupy different geographical areas. Sympatric organisms originate in or occupy the same geographical areas. These terms often refer to two different processes by which organisms split into different species—it’s allopatric if they form or develop a new biological species due to geographical separation and sympatric if they speciate in the same location.

[ al-uh-pa-trik ]
  1. originating in or occupying different geographical areas.
[ sim-pa-trik, -pey- ]
  1. originating in or occupying the same geographical area.

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