Find out what to do the terms 'algal bloom' and 'red tides' signify
Red tides:- Some Dianoflagellates have red pigments in their cells. They multiply rapidly. These marine organism make a red sheet over sea, Thus look red tides Algal bloom:- Colonies of cyanobacteria like Nostoc Anabaena form blooms in polluted water bodies are called algal bloom
