Most Ecologists Now Recognize That Mature,late-Successional Ecosystems ____

Multiple Choice

Most ecologists now recognize that mature,late-successional ecosystems ____.

A) are in a state of continual disturbance and change
B) are in a stable state of equilibrium
C) are in natural balance with their environment
D) have followed an expected path to their stable state as a climax community
E) have inevitably progressed through succession and no longer face competition