BIOXII14: ECOSYSTEM
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The sequence of communities of primary succession in water is:
1 Phytoplankton, sedges, free-floating hydrophytes, rooted hydrophytes, grasses and trees.
2 Phytoplankton, free-floating hydrophytes, rooted hydrophytes, sedges, grasses and trees.
3 Free-floating hydrophytes, sedges, phytoplankton, rooted hydrophytes, grasses and trees.
4 Phytoplankton, rooted submerged hydrophytes, floating hydrophytes, reed swamp, sedges, meadow and trees.
Explanation:
The sequence is Phytoplankton - rooted submerged hydrophytes-floating hydrophytesreed swamp- sedges- meadow and trees.