Question

Which organisms are considered as pollution indicator​

Answer 1

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.

Explanation:

Answer 2

Answer:

Lichens (a symbiosis among fungi, algae, and/or cyanobacteria) and bryophytes (mosses and liverworts) are often used to assess air pollution.

Explanation:

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