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what is the major factor that distinguishes primary from secondary succession?

a. the absence of soil

b. the presence of a pioneer species

c. the absence of a climax community

The answer is A. The absence of soil.

Explanation:

Primary and secondary succession are two types of ecological succession (succession of colonization of species in an ecosystem in a barren or destroyed habitat).

Primary Succession:

Primary succession is the the colonization of a barren area of land that is completely devoid of soil.

Secondary succession:

Secondary succession occurs in an area with ample soil but which has been destroyed by human intervention or natural disasters such as a wild fire or volcanic eruption.

A. the absence of soil

Explanation:

have a nice day

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

i think the answer would be d