Which statement best describes ecological succession?
A. It is always caused by human intervention.
B. It sometimes occurs after a disturbance.
C. It always occurs in a predictable pattern.
D. It is a series of rapid changes in an ecosystem.
Which statement best describes ecological succession?
A. It is always caused by human intervention.
B. It sometimes occurs after a disturbance.
C. It always occurs in a predictable pattern.
D. It is a series of rapid changes in an ecosystem.