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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.
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 in various aquatic and terrestrial environments worldwide.
Protozoa ( sg.: protozoan or protozoon; alternative plural: protozoans) are a polyphyletic group of single-celled eukaryotes, either free-living or parasitic, that feed on organic matter such as other microorganisms or organic debris. [1] [2] Historically, protozoans were regarded as "one-celled animals".
Structure. Protozoa are microscopic unicellular eukaryotes that have a relatively complex internal structure and carry out complex metabolic activities. Some protozoa have structures for propulsion or other types of movement.
- Robert G. Yaeger
- 1996
- 1996
4 days ago · Characteristics of Protozoa. Unicellular Organisms: Protozoa are single-celled, performing all life processes within one cell. Eukaryotic: They are heterotrophs with a well-defined nucleus and membrane-bound organelles. Motility: They move using cilia, flagella, or pseudopodia. Nutrition: They can be heterotrophic (ingesting organic matter) or ...
May 25, 2024 · 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 microscopic. All protozoans are eukaryotes and therefore possess a “true,” or membrane-bound, nucleus.
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Animal-like protists are called protozoa. Most consist a single cell. Like animals, protozoa are heterotrophic and capable of moving. Examples of protozoa include amoebas and paramecia.
