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Question

Which of the following can act as a barrier to cause geographical isolation?


A

Sea

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B

River

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C

Mountain

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D

All of these

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Solution

The correct option is D

All of these


Geographic isolation occurs when organisms are separated from exchanging genetic material with other organisms of the same species. Few examples include seas, rivers and mountains. These geographical features isolate the populations from mating with each other and over the time both populations develop into different species. Look at the diagram below that illustrates such a scenario.


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