Answer :
Two related populations separated by a mountain range for many generations eventually become different species is an example of Allopatric type of speciation.
What is Allopatric speciation?
Allopatric speciation is a type of speciation that occurs when a species separates into two separate groups which are isolated by a physical barrier from one another.
So we can conclude that two related populations separated by a mountain range for many generations eventually become different species is an example of Allopatric type of speciation.
Learn more about speciation here: https://brainly.com/question/2113835
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