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Zielflug [23.3K]
3 years ago
10

Explain why primary ecological succession usually takes hundreds or thousands of years.

Biology
1 answer:
krok68 [10]3 years ago
7 0
Primary succession is much slower than secondary succession because it begins where there is no soil. It can take several hundred to several thousand years to produce fertile soil naturally. The first pioneer species to colonize the bare rock will probably be bacteria and lichens, which can live without the soil.
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