Environment & Ecology · Ecological Succession
Which of the following best characterizes the difference between primary and secondary ecological succession in terms of soil development and biotic legacy?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both primary and secondary succession begin with a climax community but differ in their rates of species extinction.
- 2Primary succession is driven solely by climatic factors, whereas secondary succession is influenced exclusively by faunal migration.
- 3Primary succession involves colonization of barren environments with no pre-existing soil or biological legacy, while secondary succession takes place in disturbed areas where soil and some organisms still remain.✓
- 4Primary succession occurs on previously vegetated land where the soil is intact, while secondary succession begins in areas devoid of both soil and organic matter.
Correct answer
Primary succession involves colonization of barren environments with no pre-existing soil or biological legacy, while secondary succession takes place in disturbed areas where soil and some organisms still remain.
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