Question

Polluted water bodies have usually very high abundance of plants like nostoc and oscillator

Answer 1

They are members of Cyanobacteria which are mainly responsible for algal bloom phenomenon.

Answer 2

Answer:

hey mate here is your answer....

Explanation:

▶️ Nostoc, Oscillatoria and other cyanobacteria grow in abundance in polluted water due to:-

1. Tolerance of anaerobic conditions
2. Ability of nitrogen fixation
3. Availability of nutrients from decaying matter
4. High tolerance to adverse conditions
5. Presence of protective mucilage cover

Hope it helps!☺️