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The hierarchy of biological classification's eight major taxonomic ranks. A genus contains one or more species. Minor intermediate ranks are not shown. A species (pl.: species) is a population of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1]
Partial classifications exist for many individual groups of organisms and are revised and replaced as new information becomes available; however, comprehensive, published treatments of most or all life are rarer; recent examples are that of Adl et al., 2012 and 2019, [81] [82] which covers eukaryotes only with an emphasis on protists, and ...
In the most common kind of mixed mating system, individual plants produce a single type of flower and fruits may contain self-fertilised, outcrossed or a mixture of progeny types. The transition from cross-fertilisation to self-fertilisation is the most common evolutionary transition in plants, and has occurred repeatedly in many independent ...
Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. There are two forms of reproduction: asexual and sexual. In asexual reproduction, an organism can reproduce without the involvement of another organism.
This is a category for famous or otherwise notable individual non-human organisms. For famous or notable humans, see Category:People . Wikimedia Commons has media related to Famous organisms .
In biology, a taxon (back-formation from taxonomy; pl.: taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and given a particular ranking , especially if and when it is accepted or becomes established.
A colonial organism such as a siphonophore is a being which functions as an individual but is composed of communicating individuals. [8] A superorganism is a colony, such as of ants , consisting of many individuals working together as a single functional or social unit .
Community (ecology) – Associated populations of species in a given area, or Biocoenosis – Interacting organisms living together in a habitat Species – Basic unit of taxonomic classification, below genus Population – All the organisms of a given species that live in a specified region Organism – Individual living life form