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
... 31, 1897 in Racine, Wisconsin, died April 14, 1975 in Los Angeles, California) was an Academy Award winning actor. He began as a banker, but an emergency appendectomy ...
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