Assertion: Secondary succession is faster than primary succession. Reason: Some soil or sediment

step 1 If succession occurs on bare rock, it is known as option A primary succession, option B, seconda

Assertion: Secondary succession is faster than primary...

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Key Concepts

Soil and Sediment Presence

The existence of soil or sediments is crucial because it provides the necessary nutrients, organic material, and microbial life that support plant colonization and growth. This factor is a primary reason why secondary succession is generally faster than primary succession.

Secondary Succession

Secondary succession takes place in areas where an existing soil substrate is already present, following a disturbance that does not eliminate the soil. The presence of soil, along with residual seeds and organic matter, accelerates the recovery and development of the community compared to primary succession.

Ecological Succession

This is the process by which the species structure of an ecological community changes over time. It encompasses both primary and secondary succession, where ecosystems develop and change in response to disturbances or the creation of new habitats.

Primary Succession

Primary succession occurs in areas where no soil exists initially, such as on bare rock after a volcanic eruption or glacial retreat. In these environments, pioneers must contribute to the formation of soil from scratch, which makes the process of ecosystem development slower.

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