Taxon: Difference between revisions

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[[Image:Ficheiro.png|thumb|100px|The hierarchy of taxonomic classification]]
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A '''taxonomic unit''' is a group of individuals that are grouped together based on similarities between the individuals. This is an hierarchical system in which lower taxonomic units are groups in higher taxonomic units. The only natural unit is the [[species]].
Image:Ficheiro.png|right|thumb|100px|The hierarchy of scientific classification in biology.
default [[Taxonomy]]
rect 12 4 84 33 [[Domain (biology)|Domain]]
rect 11 47 86 78 [[Kingdom (biology)|Kingdom]]
rect 12 91 86 122 [[Phylum (biology)|Phylum]]
rect 11 135 87 166 [[Class (biology)|Class]]
rect 11 178 86 211 [[Order (biology)|Order]]
rect 11 223 87 254 [[Family (biology)|Family]]
rect 11 268 87 301 [[Genus (biology)|Genus]]
rect 11 312 86 344 [[Species (biology)|Species]]
desc none
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The figure at the right illustrates the hierarchy of the various levels.
Biologists group [[Organism|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 &mdash; [[Archaea]], [[Bacteria]], and [[Eukarya]] &mdash; together include all known [[Life|living systems]].
 
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Latest revision as of 07:01, 25 October 2024

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DomainKingdomPhylumClassOrderFamilyGenusSpecies
The hierarchy of scientific classification in biology.

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.