In the process of biological evolution, there are three most obvious points, the evolution of lower organisms to higher organisms is a starting point and the end of the entire biological evolution process, and this process is also the longest, and it is also a never-ending process, and the middle organisms are an intermediate process of the evolution of lower organisms into higher organisms, a transitional stage, but in many biological evolutionary histories, we can draw a conclusion that the middle stage is a very short and important process in the process of biological evolution. Intermediate organisms can also be said to be an indispensable process of evolution from low-level organisms to high-level organisms, and it is a process and bridge that lower-level organisms must go through, just like a person's adolescent period, it is an indispensable process from teenager to youth, but its existence is vague and fleeting. In the process of biological evolution, the unnatural oxidized natural society and the natural reduction natural society in the intermediate biological stage can also be said to be the bridge in the process of life evolution and civilization.

The oxygen component of the air has always been an important factor in the evolution of organisms, but this oxygen is not the kind of oxygen that is called in modern times, but a much larger concept, which includes all the oxygen from the birth of the earth to the end of the world, including the oxygen in the turbid period, the oxygen that was separated from the naught, the oxygen that was thought to be formed, and the oxygen that is now full of viruses. At the very beginning, primitive life lived and reproduced on the earth, and finally there was a process of oxygen accumulation, forming the biosphere of life on the earth, and oxygen became the main part of the atmosphere and a component of the life cycle. Therefore, oxygen is the most important external material that constitutes the evolutionary civilization of life on earth. On Earth, the origin of life should be traced back to the evolution and synthesis of the Earth's atmosphere, which is of special significance because it creates the conditions for the emergence of life.

In the era of peace before the end of the world, scientists from various countries have speculated that the evolution of the earth's atmosphere is roughly divided into three generations, and the first generation of atmosphere, the primitive atmosphere, may have run away in the early stage of the earth's evolution. The second generation of the atmosphere is due to the earth's gravity and the gradual shrinkage of the original earth's material, heavy matter sinks into the core, light matter floats up, and finally forms today's crust, mantle and core layered structure, the internal material produces physical and chemical reactions and extrusion out, we call the reduced atmosphere. The third generation is the melange atmosphere, which is regional. In the hundreds of years before the end of the world, human beings have become the dominant ones on the earth by virtue of the power of science and technology, every part of nature has been affected by human beings, in the city the atmosphere has become an object that allows living things to survive and also harm human beings, in the mountainous countryside, the part of the atmosphere that harms human beings is greatly reduced, and in the inaccessible natural environment, this damage factor is almost zero.

Various chemical reactions in the atmosphere and the surface of the earth have caused a large number of amino acids, nucleotides, monosaccharides and other organic substances to appear on the surface of the earth, which are only inorganic, and these organic substances continue to undergo chemical reactions, and gradually polymerize from simple organic matter to complex organic matter, and biological macromolecular proteins and nucleic acids appear, which are slowly stored and aggregated in seawater, and after hundreds of millions of years of long-term development, there is finally a self-replicating function of life cells. With the advent of life cells, the evolution of life in the process of natural selection began, and life cells evolved in more and more complex directions, first primitive single-celled organisms, and then in both directions. First, the autotrophic function is strengthened and the locomotor function is degraded, and it has evolved into a single-celled fungus algae plant, which has become the source of evolution in the plant kingdom. On the other hand, the locomotor function and heterotrophic function are enhanced, the autotrophic function is degraded, and the evolution to a single-celled protozoa, which has become the evolutionary source of the animal kingdom.

But the knowledge that has been deduced is only based on the known and excavated antiquities. Therefore, in the era of peace, some scientists have questioned whether there was a civilization that was more developed than the present before the known civilization, but this civilization collapsed due to various reasons, and even traces disappeared from the earth over time.

This reasoning in peacetime is not groundless. The time since the birth of the earth can be used as a unit of 100 million years, and the creatures living on the earth have also experienced five mass extinctions, the continuous repetition between rebirth and destruction, and the most recent mass extinction time was also 65 million years ago, so people have absolutely reason to believe that there were some unknown civilizations before the four mass extinctions, perhaps these civilizations have developed far beyond the scope of what people can understand now, but unfortunately because of some irresistible factors, it may be a natural disaster, It could also be a man-made catastrophe that caused these advanced civilizations to be devastated, so the periodic climate change of the earth would lead to the periodic origin and evolution of advanced intelligent beings.

However, even so, there are many people who deny the existence of prehistoric civilizations, and they believe that prehistoric civilizations are nothing more than some people who have been influenced by many myths and legends and religious classics, resulting in some illusory history with strong perceptual thinking, that is, the so-called prehistoric civilization, and because since the beginning of the European Renaissance, the literary world has begun to take such a path, using the glory of myths and legends to embellish a historical figure or historical event, so that it can be deified and deified. In the end, it became a character on a par with the gods, if you judge logically, thinking that prehistoric civilization is real, it is undoubtedly agreeing that the legends recorded in religious texts are also true, and at the same time, it is also believing that those deified historical figures also have divine powers, which is undoubtedly a ridiculous thing for modern scientists, not to mention the influence of modern technology, the most commonly used C-14 method can only measure the history of less than 5,000 years, once it exceeds this limit, all history seems to be extra nothing.

However, less than a year after the end came, the mystery that had plagued mankind for hundreds of years was solved by the survivors of the time, and an ancient ruin from the depths of the earth proved to the world that this was still a distant civilization that was for some reason hidden by the dust of history.

Ancient God Civilization! A prehistoric civilization with ultra-high technology, hundreds of times more than the current level, but due to an inevitable war, this glorious civilization was finally subverted and became an inconspicuous trace in the history of hundreds of billions of years.

And what Fengya couldn't have imagined was that the stone tablet that appeared in the cloaked man's hand was not a superpower or an innate function of a monster, but a source from ancient times - an evolution fragment!

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