How is primary succession different from secondary successi…

Biology Ecosystem Nutrient Cycling and Ecosystem Services (NIS) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

How is primary succession different from secondary succession?

There is change in type of animals and plants during primary succession only.

Anthropogenic disturbance can change seral stages in primary succession only.

Primary succession occurs at slower rate.

All the above

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The correct answer is:

Primary succession starts on bare surfaces without soil, so it takes a long time to establish life.

Secondary succession is faster because soil and some organisms are already present after a disturbance.

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