User:Nesha360/Protozoology

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Protozoology is the study of protozoa, the "animal-like" (i.e., motile and heterotrophic) protists. The Protozoa are considered to be a subkingdom of Protista. They are free-living organisms that are found in almost every habitat. All humans have protozoan found living on their body, and many people may be infected with one or more throughout their life.

Anton van Leeuwenhoek was the first person to discover Protozoa using a microscope that he constructed himself. This term has become dated as an understanding of the evolutionary relationships of the eukaryotes has improved. For example, the Society of Protozoologists, founded in 1947, was renamed International Society of Protistologists in 2005. However, the term persists in some cases (e.g., the Polish journal Acta Protozoologica).

Example: Study of Amoeba and plasmodium done this branch.

Example: Toxoplasmosis and giardiasis are diseases caused by protozoa.

Example: Crystosporidium is a parasitic protozoan, that is found in the intestinal tract.