Question

protozoans are pathogenic give reasons​

Answer 1

❒ Infections caused by protozoa can be spread through ingestion of cysts (the dormant life stage), sexual transmission, or through insect vectors. Many common—and not so common—infections are caused by protozoa.

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Answer 2

Answer:

Pathogenic protozoans and the disease they cause

Explanation:

Pathogenic protozoa comprise a large number of eukaryotic microorganisms which are the causative agent of important parasitic diseases. Some affect human and are of high medical relevance as malaria, toxoplasmosis, leishmaniasis, the Chagas disease, sleepiness disease, amebiasis, giardiasis, and trichomoniasis.