Question

unit 2 sum a glacier retreats exposing bare rock and allowing communities of organisms such as moss and lichens to move in. this is an example of — primary ecological succession mutualistic relationship secondary ecological succession exponential population growth possible points 5

Explanation:

Primary ecological succession occurs in an area where there was no previous community, like bare rock exposed by a retreating glacier, which allows pioneer species such as moss and lichens to colonize first.

Answer:

primary ecological succession