Question

define protozoan.and name two diseases caused by protozoans. what are their causal organisms?​

Answer 1

Answer:

a very small living thing, usually with only one cell, that can only be seen using a special piece of equipment that makes it look bigger (a microscope)

Most protist diseases in humans are caused by protozoa. Protozoa make humans sick when they become human parasites.

Trypanosoma protozoa cause Chagas disease and sleeping sickness.

Giardia protozoa cause giardiasis, and Plasmodium protozoa cause malaria

Answer 2

Answer:

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Explanation:

Protozoa are unicellular, eukaryotic, heterotrophic organisms. They are either free-living or parasites. There are many protozoa, that cause various diseases in animals and humans, e.g. Plasmodium (malarial parasite), Trypanosoma (sleeping sickness), Trichomonas (trichomoniasis), etc.

➠Name- Causative organsim

(i) Malaria -Plasmodium,

(ii) Kala-azar- Leishmania