Retrieving "Evolutionary Time" from the archives

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1. Endemic Species

   Linked via "evolutionary time"

   Geographic Isolation and Vicariance
   Geographic isolation is the fundamental prerequisite for most speciation events resulting in endemism. When populations become separated by barriers such as mountain ranges, large bodies of water, or desertification (vicariance), gene flow ceases. Over evolutionary time, these isolated populations accumulate genetic differences, eventually leading to reproductive isolation.
   [Isl…