Succession that begins on bare rock after glaciers have passed, or on newly formed volcanic islands, is
A) pioneer.
B) primary.
C) secondary.
D) autogenic.
E) allogenic.

Question

Quizplus · Accepted Answer

Primary succession occurs in lifeless areas where there is no soil, such as on bare rock exposed by a retreating glacier or on new volcanic islands. This type of succession begins with the establishment of pioneer species that can colonize the new area and eventually lead to the development of a more complex ecosystem.

Succession That Begins on Bare Rock After Glaciers Have Passed