... This particular human group, called the Australopithecines, was the first group of hominids to make tools from stone. The second stage of human development followed the first about two million years later. This stage of development was termed Homo erectus which meant "upright human being." This group of humans was the first to leave their native African land and venture over into Europe and Asia. They were also known for improving and expanding the making of tools. Then the third stage came into play; the emergence of Homo sapiens, which means "wise human being." With each stage, new improvements and ideas were formulated, and progression of the human species was developing and moving forward. One aspect that is exclusively a trait of the human species is the capacity to make tools and other materials needed to survive. The years 2,500,000 - 10,000 B.C. is known as the Paleolithic Age, which is ...

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