Why are there people on earth?

The primitive water environment of the earth created conscious objects on the earth. After a long evolution and some environmental factors, aquatic creatures began to live on land. Even in the heyday of dinosaurs, most species were extinct due to the impact of asteroids (the explanation with the largest support rate at present is about 99%), which gave some naturally weak creatures a chance to develop. After a long time, apes evolved and gained some wisdom. After years of accumulation, we have the present knowledge. Long history, and humans who temporarily dominate the earth. This is also related to the quality of the earth and the distance between the earth and the sun. There is also a theory in ......................................................................................................................... that N million years ago, the earth was still a primitive monkey and did not evolve. A highly intelligent creature from another galaxy came to the earth to mine, but the aircraft broke down and they couldn't go back. What should they do? So they found the smartest creature on the earth at that time, mated with it and reproduced.