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
... traced to the sins of its founding emperor, Han Gao Zu, who unjustly executes his three able generals Han Xin[?], Pang Yue[?] and Ying Bu[?]. The cruel emperor is lat ...
Buy Halloween Costumes
Kids.Net.Au - kids safe portal for children, parents, schools and