''Most of the existing communities are evolved through a series of intermediate stages.''
a. Substantiate the above statement with the process involved in the above phenomenon.
b. Name the type of community development in bare rock and flooded area where the communities were destoryed.
c. Elucidate the dynamic changes that happen in a water body.

Explanation

a. Succession
b. Primary succession in bare rock and secondary succession in flooded area.
c. Phytoplankton stage `to` Submerged stage `to` Floating stage `to` Sedge meadow stage `to` Scrub stage `to` forest stage.