Reproduction is actually just the continuous transmission of genes. Various species have evolved in nature, which can interact with each other to make matter and energy circulate in the environment and biosphere. Therefore, human beings will be decomposed by microorganisms after death, that is, the genes in the body will be destroyed. If humans are extinct at a certain stage, the inheritance of genes will be completely broken soon after that. Without gene replication and biological reproductive behavior, how could human beings appear?
The possibility of natural evolution reappearing human beings is almost zero, and environmental changes will affect the evolution of organisms. How can we make the physiological structure of human beings at various stages of evolution show a lot of similarities? Therefore, human beings have never been extinct in evolutionary history. There are so many extinct animals on the earth, but it is seldom heard that animals extinct hundreds of millions of years ago reappear. There is a saying on the internet that there are faults in human history, but it is inevitable only from the time interval of fossils, and the formation of fossils itself is very difficult. It is arbitrary and irresponsible to judge whether there are faults in the history of human evolution by fossil faults.
The way of human reproduction determines that human beings are not at fault. From the birth of life on earth to the appearance of human beings, the whole history has not been broken. Therefore, the development process of human embryo is actually the evolution process of life on earth from single cell to multi-cell and then to complex multi-cell life, which shows the evolution history of life on earth for 4 billion years. Although the initial life of the earth may have been born out of nothing, which originated from the natural collision of inorganic substances and happened by accident, since 3.5 billion years ago, the environment of the earth has been much milder than when the life of the earth just appeared 4 billion years ago, and the earth is more "cold" and the frequency of thermal motion of matter is lower. Defective human beings have experienced the process from inorganic to organic and then to life.
Now we occasionally hear the reappearance of some extinct animals, but the extinction here is only because of the definition of human beings. We call species that have not appeared in nature for many years extinction. The standard is human observation. If you don't observe, it is extinction. But the world is so big, some species just hide themselves deeper and will never wander under the eyes of human beings again.
Fossil faults can't represent anything, and the similarity of behavior and bone structure is enough to combine ancient human fossils separated by100000 years. The human species is amazing, making tools and freely applying flames. This history is more than 2 million years, during which all fossils can be linked through these behaviors.