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  2. Kingdom (biology) - Wikipedia

    en.wikipedia.org/wiki/Kingdom_(biology)

    This six-kingdom model is commonly used in recent US high school biology textbooks, but has received criticism for compromising the current scientific consensus. [13] But the division of prokaryotes into two kingdoms remains in use with the recent seven kingdoms scheme of Thomas Cavalier-Smith, although it primarily differs in that Protista is ...

  3. Animal - Wikipedia

    en.wikipedia.org/wiki/Animal

    The word animal comes from the Latin noun animal of the same meaning, which is itself derived from Latin animalis 'having breath or soul'. [6] The biological definition includes all members of the kingdom Animalia. [7] In colloquial usage, the term animal is often used to refer only to nonhuman animals.

  4. List of animal classes - Wikipedia

    en.wikipedia.org/wiki/List_of_animal_classes

    The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha. This list should by ...

  5. Taxonomic rank - Wikipedia

    en.wikipedia.org/wiki/Taxonomic_rank

    In his landmark publications, such as the Systema Naturae, Carl Linnaeus used a ranking scale limited to kingdom, class, order, genus, species, and one rank below species. Today, the nomenclature is regulated by the nomenclature codes. There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, and species.

  6. Outline of zoology - Wikipedia

    en.wikipedia.org/wiki/Outline_of_zoology

    The following outline is provided as an overview of and topical guide to zoology: . Zoology – study of animals.Zoology, or "animal biology", is the branch of biology that relates to the animal kingdom, including the identification, structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems.

  7. Phylum - Wikipedia

    en.wikipedia.org/wiki/Phylum

    In biology, a phylum (/ ˈ f aɪ l əm /; pl.: phyla) is a level of classification or taxonomic rank below kingdom and above class. Traditionally, in botany the term division has been used instead of phylum, although the International Code of Nomenclature for algae, fungi, and plants accepts the terms as equivalent.

  8. The Biggest Myths About Motherhood in the Animal Kingdom - AOL

    www.aol.com/news/biggest-myths-motherhood-animal...

    These animal moms teach us that motherhood is much more than a one-size-fits-all knee-jerk response to nurture, but a multifarious life-or-death business with a treacherous learning curve. Contact ...

  9. Linnaean taxonomy - Wikipedia

    en.wikipedia.org/wiki/Linnaean_taxonomy

    The greatest innovation of Linnaeus, and still the most important aspect of this system, is the general use of binomial nomenclature, the combination of a genus name and a second term, which together uniquely identify each species of organism within a kingdom. For example, the human species is uniquely identified within the animal kingdom by ...