The diagram shows the communities of plants during a process of secondary succession. the process leads to a climax community of a forest of oaks, hickory, and other hardwood trees what best describes the communities of animals that occur during this process?
a: the animal communities remain about the same, and do not undergo succession
b: the animal communities become smaller in population size and less diverse over time.
c: the animal communities become larger in population size and more diverse over time.
d: the animal communities become larger in population size and keep the same diversity over time.