Taxon: Difference between revisions
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Image:Ficheiro.png|right|100px|The hierarchy of scientific classification in biology. | Image:Ficheiro.png|right|thumb|100px|The hierarchy of scientific classification in biology. | ||
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Revision as of 06:18, 9 May 2009
Biologists group organisms into a hierarchical system of taxons or taxonomic units, each taxon based on specified criteria of similarity or relationship.
The figure at the right illustrates the hierarchy of taxons. The highest taxon, the 'domain', of which biologists have identified three — Archaea, Bacteria, and Eukarya — together include all known living systems.