Who replaces the rooted-floating angiosperms in a hydrarch succession?
Correct Answer: Free-floating plants
The sequence of successional stages occurring in water is known as hydrarch succession or hydrosere. The rooted-floating angiosperms with time are replaced by free-floating plants in a hydrarch succession. Some examples of the floating plants are Pistia, Nymphaea, Pistia, Nymphaea, etc.