The sequence of communities of primary succession in water is

Options

A. Phytoplankton, sedges, free-floating hydrophytes, rooted hydrophytes, grasses and trees.
B. Phytoplankton, free-floating hydrophytes, rooted hydrophytes, sedges, grasses and trees.
C. Free-floating hydrophytes, sedges, phytoplankton, rooted hydrophytes, grasses and trees.
D. Phytoplankton, rooted submerged hydrophytes, floating hydrophytes, reed swamp, sedges, meadow and trees.

Answer

d

Explanation

The sequences of communities of primary succession in hydrosere is phytoplankton (pioneer stage) `to` rooted submerged hydrophytes `to` floating hydrophyte (floating stage) `to` reed swamp `to` sedges `to` meadow and woodland (trees). The other options are wrong.