In the Old Stone Age people lived by hunting. Soils and vegetables, eat the dependence of nature. Fully and environment, ie when the herd is hunted, it must be depleted food tracking migratory flocks around the human need to seek a new resident to hunt for animals. May cause people to adjust their consumption habits in the body. Because the vast majority of people in the Old Stone Age to be. On the quest for food and protection from natural disasters, natural disasters, including the struggle for survival in the midst of making the development of a hunting tool. By developing weapons are made of cut stone for grated or minced like spears, knives and needles, and so on.