Question

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 years

I 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 1

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.