Question

What happens to biodiversity over time during primary and secondary successions?

Answer 1

Succession is the process of ecosystem recovery after some disturbance. Biomass is at maximum in the undisturbed ecosystem; it increases up to this maximum during succession. ... Biodiversity measured as the total number of species in the ecosystem does not change.



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Answer 2

Primary and secondary succession both create a continually changing mix of species within communities as disturbances of different intensities, sizes, and frequencies alter the landscape. The sequential progression of species during succession, however, is not random.