Discussion
Organisms predominantly found on, in or near bed sediment of freshwater resources are known as :
Answer: C
These organisms are called benthic.
The benthos are organisms living on, in or near the bottom sediment, such as insect larvae, worms, snails and mussels. Benthic macroinvertebrates are widely used as indicators of water quality.
Neuston live at the surface film, plankton drift in the water column, and nekton are strong swimmers such as fish that move against currents. None of these is tied to the bed.
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