Protozoa may also live as mixotrophs, combining a heterotrophic diet with some form of autotrophy. Some protozoa form close associations with symbiotic photosynthetic algae (zoochlorellae), which …

Aug 3, 2023 · Protozoa are unicellular eukaryotic microorganisms having a membrane-bound nucleus and other organelles within their cells. Despite their small size, they are incredibly diverse and exist …

Oct 19, 2025 · Protozoa are a group of 65,000 (or possibly more) single-cell organisms. They are part of what's called the eukarya domain and include the cells that make up humans, animals, plants, fungi, …

Jan 29, 2026 · protozoan, organism, usually single-celled and heterotrophic (using organic carbon as a source of energy), belonging to any of the major lineages of protists and, like most protists, typically …

What are Protozoa? Protozoa are micro-organisms which have a membrane bound nucleus that can't be categorised as a fungi, animal or plant. Most protozoa are free living, but some are parasitic. They …

Oct 1, 2024 · Protozoa, comprising approximately 50,000 known species, are among the simplest and most primitive of all eukaryotic organisms. They exhibit diverse forms of life, primarily categorized as …

The Protozoa are considered to be a subkingdom of the kingdom Protista, although in the classical system they were placed in the kingdom Animalia. More than 50,000 species have been described, …

Protozoa (in Greek proto = first and zoa = animals) is a diverse group of single- celled, microscopic or near-microscopic eukaryotes (organisms whose cells have nuclei) that commonly show …

Apr 28, 2017 · Organisms known as protozoa include a wide range of organisms, most of which are free-living single-celled eukaryotes. Therefore, protozoa fit into the Domain Eukarya.

Protozoa are single-celled eukaryotic microorganisms belonging to the Kingdom Protista. The term protozoa groups organisms of different forms, with different feeding, locomotion, reproduction and life …