Systematics is the study of organismic diversity as that diversity is relevant to some specific kind of relationship thought to exist among populations, species or higher taxa (Wiley, 1989).
See also: taxonomy, phylogeny
... Ayres Huffman; their three children, Elise, Linda, and Stephen Huffman, all of Santa Cruz; a son-in-law, Jeff Grubb, of Santa Cruz; a stepdaughter, Marti Homer Kehlet, ...
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