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It is because the incumbent is removed for some reason or another.

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Q: Why succession occurs?
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Related questions

Which type of succession occurs most often and why?

Secondary succession occurs most often


What succession occurs in abandoned farm fields?

Secondary succession


What type of succession occurs in an area where an ecosystem has been disturbed?

primary succession


When no life exists in an area what type of succession begins?

Primary succession occurs in an area with no soil or organic matter, like an area after a volcanic eruption. Secondary succession occurs where there is already soil.


What occurs on surfaces where no soil exists?

Succession .


Which is true of secondary succession?

Secondary succession occurs after a disturbance that leaves behind soil and some plant species. It typically occurs faster than primary succession because there is already existing soil. As succession progresses, more complex plant and animal communities establish themselves.


Is grass poking through a sidewalk primary succession?

No, grass poking through a sidewalk is an example of secondary succession. Primary succession occurs on entirely new substrates, while secondary succession occurs on previously established ecosystems that have been disturbed or disrupted.


Succession that occurs where plants have not grown before is called?

I think it is called the pioneer species


What is a normal gradual change that occurs in a ecosystem?

Succession.


What are the two types of succession and give an example of each?

The two types of succession are primary succession and secondary succession. Primary succession occurs on bare rock or soil with no previous life, while secondary succession occurs in areas where an ecosystem was previously established but has been disturbed, such as after a forest fire or clear-cutting. An example of primary succession is the colonization of a volcanic island, while an example of secondary succession is the regrowth of vegetation after a forest fire.


Series of changes that occurs after a disturbance in an ecosystem?

Secondary succession is the series of changes that occur after a disturbance (like a forest fire or hurricane) in an ecosystem.Do not confuse this with primary succession, which is a gradual growth of an ecosystem over a long period of time after a disturbance, such as a volcano that erupted.The difference is that secondary succession occurs when some vegetation and soil remaining after the disturbance, whereas primary succession occurs when very little or no vegetation or soil is present.


What type of type succession occurs after lava from a volcanic eruption covers an area?

Primary succession occurs, as any life will be incinerated or trapped under solid rock.