Biology

The correct answer is: A.Primary succession.

In this case, the melting of glaciers leaves behind barren rocks, with no soil or organic material present. This is the classic scenario for primary succession, where the process of ecosystem recovery begins on bare rock or newly exposed land that has never previously supported life.

Here's why primary succession applies:

Primary succession occurs when life begins in an area with no soil, such as when glaciers retreat, exposing bare rock. The first...