Question

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

Explanation:

Biogeographic isolation is a process where a physical barrier separates populations of a species, leading to genetic divergence over time and can be a mechanism for evolution. It doesn't always lead to new - species formation and can occur due to non - geographic factors as well.

Answer:

It is a mechanism for evolution.