Taxonomy (biology)
= Taxonomy
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= Taxonomy
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<Taxonomy> names and classifies <organisms>. Classification can organize known diversity and make comparisons useful, but ranks and names are not themselves evidence of ancestry. <Phylogenetics> infers that ancestry; a <clade> includes an ancestor and all its descendants. A shared feature such as lacking a <cell nucleus> need not identify an exclusive <clade>. The <organism> branch here organizes cell types for reading and is not a proposed <phylogenetic tree>. See https://openstax.org/books/biology-2e/pages/20-1-organizing-life-on-earth[OpenStax Biology 2e, 20.1: classification and evolutionary history].