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  1. Taxonomy | Definition, Examples, Levels, & Classification | Britannica

    5 days ago · taxonomy, in a broad sense the science of classification, but more strictly the classification of living and extinct organisms—i.e., biological classification. The term is derived …

  2. Taxonomy - Ranks, Species, Classification | Britannica

    5 days ago · Taxonomy - Ranks, Species, Classification: The goal of classifying is to place an organism into an already existing group or to create a new group for it, based on its …

  3. biological classification - Students | Britannica Kids | Homework Help

    In biology, classification is the process of arranging organisms, both living and extinct, into groups based on similar characteristics. The science of naming and classifying organisms is called …

  4. Taxonomy - Classification, Organisms, Groups | Britannica

    5 days ago · Recent advances in biochemical and electron microscopic techniques, as well as in testing that investigates the genetic relatedness among species, have redefined previously …

  5. Taxonomy - Classification, Naming, Organizing | Britannica

    Sep 27, 2025 · Taxonomy - Classification, Naming, Organizing: As long as the only known plants were those that grew fixed in one place and all known animals moved about and took in food, …

  6. Taxonomy - Classification, Naming, Organizing | Britannica

    Sep 27, 2025 · Taxonomy - Classification, Naming, Organizing: A classification or arrangement of any sort cannot be handled without reference to the purpose or purposes for which it is being …

  7. Taxonomy - Naming, Classification, Systematization | Britannica

    Sep 27, 2025 · Taxonomy - Naming, Classification, Systematization: Communication among biologists requires a recognized nomenclature, especially for the units in most common use.

  8. Taxonomy - Classification, Naming, Categorizing | Britannica

    Jul 28, 2025 · Taxonomy - Classification, Naming, Categorizing: When some idea has been obtained of the constituent forms in a group and of the similarity and dissimilarity that they …

  9. Phylogeny - Taxonomy, Classification, Systematics | Britannica

    Taxonomy, the science of classifying organisms, is based on phylogeny. Early taxonomic systems had no theoretical basis; organisms were grouped according to apparent similarity.

  10. Taxon | Classification, Systematics & Taxonomy | Britannica

    Sep 11, 2025 · Taxon, any unit used in the science of biological classification, or taxonomy. Taxa are arranged in a hierarchy from kingdom to subspecies, a given taxon ordinarily including …