In environment a, trees are growing back and some of the larger animals are returning to a logged forest.

in environment b, lichens and moss are growing on a rocky mountainside that was scraped bare as a glacier retreated. now, hundreds of years later, some small grasses, shrubs, and animals live there.

which statement best describes both situations?

a) environment a is undergoing succession, and environment b is not.

b) environment a is not undergoing succession, and environment b is.

c)both environments are undergoing the same kind of succession.

d)both environments are undergoing succession, but different kinds.