Which statement best explains the difference between primary and secondary succession?
A) Primary succession always occurs rapidly; secondary succession is much slower.
B) Primary and secondary succession occur at approximately the same rate, but secondary succession establishes a different community.
C) Primary succession is often initiated by humans; secondary succession usually occurs after a natural disaster.
D) Primary succession follows a disturbance that removes all life; secondary succession begins when some organisms are still present.
E) Primary succession begins when some organisms are still present; secondary succession follows a disturbance that removes all life.

Question

Quizplus · Accepted Answer

Primary succession occurs when there is no existing soil or living organisms present due to a disturbance, such as a volcanic eruption or a glacier receding, while secondary succession occurs when some organisms are still present after a disturbance, such as a forest fire or a flood.

Which Statement Best Explains the Difference Between Primary and Secondary