up to now no traces of domesticated plants or animals have been found. The inhabitants are assumed to have been hunters and gatherers who nevertheless lived in villages for at least part of the year. So far, very little evidence for residential use has been found.
The surviving structures, then, not only predate pottery, metallurgy, and the invention of writing or the wheel, but were built before the so-called Neolithic Revolution, i.e., the beginning of agriculture and animal husbandry around 9000 BCE. But the construction of Göbekli Tepe implies organization of an advanced order not hitherto associated with Paleolithic, PPNA, or PPNB societies.
Some have succinctly described GT's challenge to existing understadings of early civilizations thus: "The temple predates the city."
PoisonDartFrog wrote
This temple proves that humans had an advanced culture long before civilization developed.