Who replaces the rooted-floating angiosperms in a hydrarch succession?
(c) Free-floating plants
(d) Rooted-submerged plants
The question was asked in a job interview.
Query is from Ecosystem topic in portion Ecosystem of Biology – Class 12
Correct choice is (c) Free-floating plants
To elaborate: 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.