Respuesta :
According to the biological species concept, geographic isolation mechanism is not a mechanism of reproductive isolation.
Geographic isolation refers to the separation of species due to physical barriers such as water forms, oceans, mountains, and so on. Finally, the organisms are prevented from exchanging genetic material with other organisms of the same species. Geographic isolation, also known as allopatry, is a term used in evolutionary biology. When a portion of a species' population becomes geographically isolated from the rest, it may evolve characteristics distinct from the parent population over time (due to natural selection).
Geographic isolation is an important factor in allopatric speciation. If gene flow is disrupted for an extended period of time due to geographical barriers, populations can evolve independently and eventually form distinct species. Different species do not mate because they are active at different times of the day or in different seasons. Individuals mate in their preferred habitat and thus do not meet members of other species who have different ecological preferences.
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