Question

the lava released by a volcanic eruption separates two populations of a species of monkey. what does this represent?
biological isolation
geographical isolation
temporal isolation
anatomical isolation

Explanation:

Geographical isolation occurs when a physical barrier (like lava from a volcano) separates populations of a species, preventing them from interacting. Biological isolation refers to reproductive barriers between species, temporal isolation is due to different breeding times, and anatomical isolation is due to physical reproductive incompatibility. The lava here is a physical geographic barrier.

Answer:

geographical isolation