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Homo sapiens. Stone Age cultures ranged from early human groups with primitive tools to advanced agricultural societies, which used sophisticated stone tools, built fortified settlements and developed copper metallurgy. As elsewhere in Europe, the Stone Age human cultures went through the stages known as the Paleolithic, Mesolithic and Neolithic, each bringing new refinements of the stone tool making techniques. The Paleolithic human activities were intermittent because of the recurring periods of glaciation. A general climate warming and the resulting increase in ecologic diversity was characteristic of the Mesolithic (9,000-8,000 BCE). The Neolithic brought the first settled agricultural communities whose founders migrated from the Danube River area starting ca. 5,500 BCE. Later the native post-Mesolithic populations also adopted and further developed the agricultural way of life (4,400–2,000 BCE). (Full article...