question_answer

Name the pioneer and the climax species in a water body. Mention the changes observed in the biomass and the biodiversity of the successive seral communities developing in the water body.

Answer:

(i) Pioneer species in a water body are autotrophic phytoplanktons such as diatoms, unicellular or filamentous algae, flagellates and cyanobacteria.

Climax species in a water body are trees.

(ii) Biomass and the biodiversity goes on increasing in the successive seral communities developing in the water body.