Identify the correct statement w.r.t. cyanobacteria.
They are found only in stagnant fresh water.
Their cell walls are embedded with silica and are indestructible.
They often form blooms in polluted water bodies.
They can live in some of the most harsh habitats.
Cyanobacteria are freshwater/ marine or terrestrial algae. They often form blooms in polluted water bodies.