Who replaces the free-floating plants in a hydrarch succession?

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Editor">Editor Staff asked 4 days ago

Who replaces the free-floating plants in a hydrarch succession?
 
(a) Rooted-submerged plants
 
(b) The reed-swamp
 
(c) Free-floating angiosperms
 
(d) Phytoplankton
 
I have been asked this question at a job interview.
 
Question is from Ecosystem topic in portion Ecosystem of Biology – Class 12

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Editor">Editor Staff answered 4 days ago

Correct option is (b) The reed-swamp
 
Best explanation: The sequence of successional stages occurring in water is known as hydrarch succession or hydrosere. The free-floating plants with time are replaced by the reed-swamp in a hydrarch succession. Some examples of the reed-swamp plants are Bothrioclova, Phragmites (Reed), Typha, etc.