translate English to German: The faculty of speech is a defining feature of humanity, possibly predating phylogenetic separation of the modern population (see origin of language ). Language is central to the communication between humans, as well as being central to the sense of identity that unites nation s, culture s and ethnic group s.
Diese konnten entstehen, da es früher aufgrund von geographischen Distanzen und kultureller Differenzen keinen kontinuierlichen Genfluss aller Populationen gab.