Question

which living organisms are known as bioindicator of pollution?​

Answer 1

The microorganisms are known asbioinducator of pollution

Answer 2

Answer:

Chlorophyll a concentrations, phytoplankton cell number or biomass and ecological indices or species diversity of phytoplankton, zooplankton and polychaetes are among the bio-indicator often employed to assess pollution levels. Ecological indices seem to be nowadays-standard practice in water quality assessment as well as in monitoring environmental changes. Biological indicators help to make the assessment simple, when comparing with assess various physical parameters for concluding the pollution level or eutrophication of the water body.