Diagrammatic representation first four stages of primary succession is given below. Correctly identify A, B, C and D:
A. A - Phytoplankton, B - Reed-swamp stage, C - Submerged plant stage, D - Marsh-meadow stage
B. A - Reed swamp stage, B - Phytoplankton, C - Submerged plant stage, D - Marsh-meadow stage,
C. A - Reed-swamp stage, B - Marsh-meadow stage, C - Reed-swamp stage, D - Submerged plant stage
D. A - Marsh-meadow stage, B - Phytoplankton, C - Reed-swamp stage, D - Submerged plant stage
