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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 [1][2] Historically, protozoans were regarded as "one-celled animals"
  • Proterozoic - Wikipedia
    It covers the time from the appearance of free oxygen in Earth's atmosphere to just before the proliferation of complex life on the Earth during the Cambrian Explosion The name Proterozoic combines two words of Greek origin: protero- meaning "former, earlier", and -zoic, meaning "of life" [8]
  • 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
  • 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 - 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
  • PROTOZOIC Definition Meaning - Merriam-Webster
    The meaning of PROTOZOIC is protozoan
  • 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
  • Structure and classification of protozoan | Britannica
    protozoan , Any of a group of small (usually microscopic) single-celled protist s that are nonfilamentous and heterotrophic (using organic carbon as a source of energy) They are found in most soils, fresh water, and oceans While most are solitary individuals, various colonial forms exist
  • Protozoa - an overview | ScienceDirect Topics
    Protozoa is a general term applied to a large and diverse group of eukaryotic unicellular motile microorganisms that belong to what is now known as the kingdom Protista Members of this kingdom can be free-living and saprophytic, commensal, symbiotic, or parasitic
  • Protozoa - New World Encyclopedia
    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 characteristics usually associated with animals, most notably mobility and heterotrophy





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