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
... with Romania.
The resulting "Greater Romania", did not survive World War II. Most of Romania's pre-World War II governments maintained the forms, but not the substance, ...
Kids.Net.Au - kids safe portal for children, parents, schools and