In
biology, phylogenetics (
Greek: phyle = tribe, race and genetikos = relative to birth, from genesis = birth) is the study of
evolutionary relatedness among various groups of
organisms (e.g.,
species, populations). Also known as phylogenetic systematics, phylogenetics treats a species as a group of lineage-connected individuals over time.
Taxonomy, the classification of organisms according to similarity, has been richly informed by phylogenetics but remains methodologically and logically distinct.
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