In the system of classification published in 1964 by B.M. Honigsberg and colleagues, the phylum Protozoa was divided according to the means of locomotion, such as by cilia or flagella.

Aug 3, 2023 · There are about 50,000 known species of Phylum Protozoa. Protozoans exhibit mainly two forms of life; free-living (aquatic, freshwater, seawater) and parasitic (ectoparasites or …

Traditionally classified within the kingdom Protista, protozoa are informally divided into several subgroups, including algae, which are photoautotrophs, and various types of protozoa, which are …

Aug 3, 2023 · What are protozoa and how are they classified? Learn their characteristics, types, and lifecycle with a diagram and image.

Dec 17, 2025 · This article therefore concentrates on the biology of these comparatively well-characterized protozoans. At the end of this article is a summary of the contemporary protistan …

Oct 1, 2024 · Protozoa can be broadly categorized into two primary forms of life: free-living, found in various aquatic environments (including freshwater and seawater), and parasitic, which may reside …

On the basis of light and electron microscopic morphology, the protozoa are currently classified into six phyla. Most species causing human disease are members of the phyla Sacromastigophora and …

Protozoa are unicellular, eukaryotic, heterotrophic organisms. They are either free-living or parasites. There are around 65000 species of protozoans categorised in different groups. They lack a cell wall.

All protozoal species are assigned to the kingdom Protista in the Whittaker classification. The protozoa are then placed into various groups primarily on the basis of how they move.

Protozoa, the name coined by Goldfuss (1820), containing about 80,000 species, cer­tainly belong to Protista that exhibits animal like mode of nutrition (Phagocytic hetero-trophy). They have been …