Perfect Form

Over billions of years, multiple species have emerged, but why has only one highly intelligent species evolved, humans? Did we evolve naturally, or... Human evolution only lasts for more than one million years, but creatures that are tens of millions of years old, such as crocodiles, turtles, etc., Have hardly evolved. Mosquitoes from tens of millions of years ago are found in amber, and they are not much different from mosquitoes today. Dolphins and orangutans have evolved less than human toes. Why do humans evolve so fast and other species evolve so slowly? This is contrary to the theory of evolution. How did the faults in human evolution occur and genes were modified? Doubtful that humans are originally invaders? Or,,,