In hydrarch succession, reed swamp stage is preceded by
Forest community
Scrub stage
Sedge meadow stage
Floating stage
In plant succession, when climax community is reached, the net productivity
Biomass produced by plants in oceans accounts for
Most important determinant of marine ecosystem is
Among the plants listed, point out one that does not fit into ecological group represented by other plants
Under what conditions would a particular stage in the process of succession revert back to an earlier stage ?