Question

the graph below shows data about three tree species after a glacial retreat. based on the data shown in the graph, which of the following events occurred after the glacial retreat? primary succession flooding

Explanation:

Primary succession occurs in an area where there was no pre - existing community, such as after a glacial retreat. The graph shows the establishment and change of tree species over time, which is characteristic of primary succession. Flooding is not indicated by the data in the graph as there is no mention of water - related factors affecting the tree species in the context of the graph.

Answer:

A. Primary succession