One of the most famous representatives is Yuanmou. About 3 million years ago, mankind bid farewell to primitive times. It is about 6.5438+0.5 million years ago, which is different from other animals, among which the famous representative is from Beijing. About 30 thousand years ago, human beings evolved from apes, improved their nutritional conditions and made some primitive stone tools. All creatures evolved from low to high, human beings became higher, and the brain further evolved. About 700 thousand years ago. Among them, the famous representatives are "Lucy" and Raemakers, who belong to the theory of biological evolution. Man knows how to cook food with natural fire. From then on, humans began to know how to make tools. The viewpoint put forward by biological evolution theory is that the earliest ancestors of human beings appeared, and the evolution of human beings conforms to the viewpoint of biological evolution theory. Among them, the famous representative is Neanderthals. The history of mankind can be traced back to 3 million years ago. About 6000 years ago. Since this era, human beings have been close to modern people, knowing how to make fire artificially and make more complicated stone tools. They entered the era of civilization, the first civilization appeared, and four civilized regions (four ancient civilizations) were established.