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
... reigning from 1351 to 1369. He was known as Prince Uthong before he ascended to the throne. A native of Xieng Hai[?] (Chiang Rai) he claimed descent from Khun Borom and ...
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