Question

which best describes biogeographic isolation? it always leads to the formation of new species. it cannot lead to evolution. it is a mechanism for evolution. it occurs only through geographic forces.

Explanation:

Biogeographic isolation is a factor in evolution as it can separate populations, leading to genetic divergence over time. It doesn't always create new species and can be due to non - geographic factors too. And it can lead to evolution.

Answer:

It is a mechanism for evolution.