Any examples or pictures going along with?
A. All harness energy of sunlight through the process of photosynthesis
Elliptical galaxy is your answer
1. Elements are the building block of minerals
If I am correct I believe this is secondary succession
Secondary succession is the series of community changes which take place on a previously colonized, but disturbed or damaged habitat. Examples include areas which have been cleared of existing vegetation (such as after tree-felling in a woodland) and destructive events such as fires.
