Q. Consider the following statements regarding Ecological Succession:

1. It is a process of directional change in vegetation on an ecological time scale.
2. Succession involves a series of communities replacing one another until a stable climax community is established.
3. Primary succession occurs on pre-existing soil.

Which of the above statements are correct?
Answer: 1 and 2 only
Notes: Ecological Succession is indeed a universal process of directional change in vegetation on an ecological time scale, where a series of communities replace one another leading to a stable climax community. Statement 3 is incorrect as primary succession occurs on substrates without pre-existing soil, such as bare rock or sand, not on pre-existing soil.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 127 in 1. Introduction to Environment & Ecology in above course in App.