When does primary succession occur?

Answer 1

Primary succession occurs whenever there is no life in an area.

Primary succession occurs whenever there is no vegetation in an area.

For example, a newly formed landmass such as a volcanic island would undergo primary succession. An area recently exposed due to glacial retreat would undergo primary succession. A parking lot vacated and left alone by humans will eventually undergo primary succession if given enough time.

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Answer 2

Daniel Allen

Primary succession occurs in an environment devoid of soil, such as on bare rock or sand dunes, where no life previously existed.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.