Which of the following is involved in a sedimentary cycle?

Sometimes,due to biotic or abiotic factors,the climax community remains in a particular seral stage (pre-climax) without reaching the final climax. Do you agree with this statement? If yes,provide a suitable example.

Composition and structure of communities constantly change in response to the changing environmental conditions. These changes lead finally to a community that is in near equilibrium with the environment and that is called a.......

If a $succession$ occurs in a $hydric$ (aquatic) area,the final climax community will be .....

To make the study of global ecosystem easier,it is broadly divided into how many basic categories?

Which groups are organisms divided into based on their primary ecological role?