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The sequence of communities of primary succession in water isA. 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» Correct Answer - d
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.


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