Describe briefly the major groups of protozoa

  1. Describe briefly the four major groups of protozoa.


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Describe briefly the four major groups of protozoa.

Protozoans are heterotrophs act either as predators or parasites. They are of four groups 1. Amoeboid protozoans: They capture their prey by using pseudopodia. They live in freshwater. Some are parasites Eg: entamoeba. 2. Flagellated protozoans: They are free-living or parasites. They cause diseases, Eg: Trypanosoma-sleeping sickness. 3. ciliated protozoans: They possess cilia in their body surface for locomotion. They have gullet for food intake. Eg: Paramecium 4. Sporozoans: They are sporeproducing organism that causesdiseases Eg: plasmodium causing malaria.

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