Question

Two populations that are separated by a mountain range can no longer interbreed to produce fertile offspring. this is an example of what

Answer 1

Allopatric Speciation

Step-by-step explanation:

Answer 2

This is called Allopatric Speciation. It is when population of the same species become isolated from one another and can no longer interbreed. Other ways this may occur is through continental drift, forming of islands, bodies of water, or glaciers.