Question

Which of the following statements about secondary succession is true?
a.
Secondary succession occurs in ecosystems that have no vegetation.
b.
Secondary succession affects ecosystems that are already established.
c.
Ecosystems require pioneer species to undergo secondary succession.
d.
Secondary succession can occur in areas without soil.

Answer 1

b.

Secondary succession occurs after a disturbance in an area where an ecosystem and its soil were already present (e.g., after fire, farming, or hurricane). Primary succession (not secondary) occurs where no soil or vegetation exists.