Question

what is an ecological succession​

Answer 1

Answer:

Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades, or even millions of years after a mass extinction

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Answer 2

Answer:

it is the gradual and progressive change in the species that make up a community over a time.

Succession usually involves a progression or change from communities with lower species diversity to communities with higher species (which maybe is more stable).

take a look at the attached image for an example of secondary succession ( a type of succesion in which a previously occupied area is colonized following a disturbance that kills much or all of its community)