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Domain (biology) - Definition and Overview |
| Related Words: Anatomy, Anthropology, Astrobiology, Bacteriology, Biochemistry, Biometrics, Biometry, Bionics, Bionomics, Biophysics, Botany, Conchology, Cryobiology, Cybernetics, Cytology, Ecology, Embryology, Entomology |
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In biology, a domain or empire is the top-level grouping of organisms in scientific classification. Originally three kingdoms were distinguished: the fauna for animals, and the flora (Vegetabilia) for plants. Early authors also treated minerals in a third kingdom Mineralia. This corresponds to the old saying animal, vegetable or mineral?.
Today there are several competing domain classifications of life.
See also
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