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The evolution of the fourth grade content of human origin handwritten newspaper
The evolution of human origin is a long and magical history. Through the application of fossils, genetics and other research methods, scientists have gradually uncovered the evolutionary process of human origin. Humans evolved from monkeys and went through several stages of evolution, such as upright walking, brain development and tool making.

1. The origin of human beings can be traced back to Africa about 60 million years ago. Here, the ancestor of human beings is a kind of monkey, and the body structure is still very different from that of modern humans. Through various research methods such as fossils and genetics, scientists found that human ancestors gradually developed the characteristics of walking upright, brain development and tool making during the long evolution process.

2. The evolution of human origin can be divided into several stages. The earliest stage is "Primitive Age", during which human ancestors have not fully evolved into human beings, followed by "Early Human Age" and then "Homo sapiens Age". Human ancestors began to use tools and gradually developed their language and cultural characteristics.

It should be noted that the evolution of human origin is a long and complicated historical process, which involves many unknown factors and speculations. Through continuous research and experiments, scientists have gradually restored the evolutionary process of human origin, but this process is still developing and changing.

Cultural and social influence of human origin;

1. The evolution of human origin has had a profound impact on human language and culture. In the long process of evolution, human ancestors gradually developed language ability, so that they could communicate and cooperate better. At the same time, human ancestors began to use tools to make works of art, which also became an important part of human culture. At this point, human culture and social structure began to take shape.

2. The evolution of human origin has also affected human social structure. With the development of the social organization form of human ancestors, human beings gradually changed from hunting and gathering society to agricultural society, and different classes such as nobles, slaves and farmers appeared in social form. The appearance of these classes also leads to the complexity and stratification of social structure.

3. The evolution of human origin also has a great influence on human production mode and technical level. In the process of human evolution, human ancestors gradually developed production technologies such as tool manufacturing and farming, and the development of these technologies promoted the progress and development of human civilization. At the same time, human ancestors began to use various materials and resources, such as metals and oil, which had a great impact on human production and life.