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The order of succession in a hydrosere is
A. Rooted aquatic plants-> phytoplankton-> Free floating stage-> Reed swamp stage-> Sedge Meadow stage-> woodland stage-> climax forest
B. Rooted aquatic plants-> phytoplankton-> Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> woodland stage-> climax forest
C. Phytoplankton-> Rooted aquatic plants-> Free floating stage-> Reed swamp stage-> woodland stage-> Sedge Meadow stage-> climax forest
D. Phytoplankton-> Rooted aquatic plants-> Free floating stage-> Reed swamp stage-> Sedge Meadow stage-> woodland stage-> climax forest

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Last updated date: 19th Jun 2024
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Answer
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Hint: A succession originates in a water body (aquatic environment) is called Hydrosere. It is also known as hydrarch succession. It usually starts from ponds. If the hydrosere starts from a comparatively smaller water body, there is always a high probability for the formation of a terrestrial climax community.

Complete answer: Hydrosere, originating in water (pond, pools, lakes, etc.) and starts with the colonization of some phytoplanktons which form the pioneer plant community, and finally terminates into a forest, which is a climax community together with their chief or primary components of vegetation. The several stages together with their components of plant species of a hydrosere are phytoplankton stage, rooted submerged stage, rooted floating stage, reed swamp stage, marsh, or sedge meadow stage, woodland stage, and climax forest stage. Volvox is phytoplankton, Hydrilla is a rooted submerged plant, Pistia is a rooted floating plant, Scirpus is a reed swamp plant, Lantana is a sedge meadow plant & oak is a woody tree. If the water body is large and very deep or very strong wave action and other powerful physical forces are at work, the succession results in a stable aquatic community, where any considerable further change is hardly recognizable or detectable.
The correct option from the above statement is D, which implies, phytoplankton-> rooted aquatic plants-> Free floating stage-> Reed swamp stage-> Sedge Meadow stage-> woodland stage-> climax forest.

Note: Some important points to remember about hydrosere are listed below:
● Starts with smaller water bodies or ponds. Algal spores are brought into the water in the initial stages of the succession process.
● Phytoplanktons are the pioneer community.
● A forest or grasslands is the climax community.