Economic importance of organisms of phylum protozoa
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economic importance
Helpful in sanitation: Numerous biologic protozoa help indirectly in purification of water by feeding on putrefying bacteria in various water bodies. These Protozoa play an important role in the sanitary betterment, improvement of water and keeping water safe for drinking purposes.
Planktonic Protozoa as food: Protozoa floating on the plankton of sea provide directly or indirectly the source of food supplies to man, fish and other animals. They form one of the first links in the numerous and complicated food chains that exist in the oceans of the world. Clams and young fish feed extensively on aquatic larvae, small crustaceans, worms, etc. all of which take Protozoa as food. Thus Protozoa indirectly form food of fish, clams and other animals, which in their turn are consumed by man.