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Fill in the missing stages in the given ...

Fill in the missing stages in the given primary hydrarch succession.
Phytoplankton `to A to B to C to ` Sedge meadow stage `to D to `Forest plant stage

Text Solution

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A-Reed-swamp stage`" "` B-Submerged plant stage
C-Marsh-meadow stage`" "` D-Shrub stage
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