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  • Protozoa - Wikipedia
    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
  • Protozoan | Definition, Parasites, Diseases, Characteristics, Size . . .
    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
  • Protozoa: Structure, Classification, Growth, and Development
    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 On the basis of light and electron microscopic morphology, the protozoa are currently classified into six phyla
  • Protozoa - Definition, Examples, Characteristics, and Classification
    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 More than 50,000 species are known, most of which are free-living organisms
  • Protozoa - Definition, Types and Examples - Biology Dictionary
    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 and the Illnesses They Cause - Verywell Health
    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, and parasites Most humans will "host" a protozoa in or on their body at some point in their life
  • 8. 4: Protozoa - Biology LibreTexts
    Animal-like protists are commonly called protozoa (singular, protozoan) Most protozoa consist of a single cell They are animal-like because they are heterotrophs, and are capable of moving Although protozoa are not animals, they are thought to be the ancestors of animals Protozoa generally feed by engulfing and digesting other organisms
  • Protozoa - Definition, Classification, Characteristics, Structure . . .
    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 either free-living or parasitic, and they can be found in various habitats, including freshwater and seawater
  • What Are Protozoa? - WorldAtlas
    Protozoa, also known as protozoans, are single-celled parasitic or free-living eukaryotes which feed on debris and organic matter Historically, a protozoan was considered a "one-celled animal" because it had various animal-like behaviors including predation, a lack of cell wall, and motility
  • Protozoan - Parasites, Pathogens, Disease | Britannica
    Parasitic protozoans have invaded and successfully established themselves in hosts from practically every animal phylum The best-studied parasitic species are those of medical and agricultural relevance The trypanosomes, for example, cause a number of important diseases in humans





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