How many years has succession occurred so that the present-day communities are observed?(a) 10 years(b) 2 years(c) Millions of years(d) Hundreds of yearsI had been asked this question in an international level competition.I need to ask this question from Ecological Succession topic in division Ecosystem of Biology – Class 12

How many years has succession occurred so that the present-day communi

1.	How many years has succession occurred so that the present-day communities are observed?(a) 10 years(b) 2 years(c) Millions of years(d) Hundreds of yearsI had been asked this question in an international level competition.I need to ask this question from Ecological Succession topic in division Ecosystem of Biology – Class 12
Answer» CORRECT choice is (c) Millions of years To explain: Ecological succession is the gradual change in the SPECIES composition of a given area which can be predicted. The communities we OBSERVE TODAY are the result of millions of years of ecological succession.

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