Do you ever stop to consider what an amazingly successful animal humans are?
We've out competed virtually every other animal on the planet for land and resources. We can change our environment to an incredible degree in order to suit our needs. We've expanded and settled virtually every continent on the planet.
Amazing evolutionary success.
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I don't think evolution is responsible for how amazing humans are. We are so far ahead of the 2nd most complex animal. I think we were intentionally designed. I also don't think evolution explains why there are so many different ethnicities of people. Why is everybody different on the outside but exactly the same on the inside? Evolution couldn't have done that when you really think about it.
Evolution goes a long way to explaining why humans are so impressive. Intelligence is one way to be successful in evolutionary terms and that's the basket that our lineage put all its eggs, as it were. Non-human apes have done this to a large degree as well. We're not unique in our abilities or complexity, just extraordinary in the scope of those abilities.
Why is everybody different on the outside but exactly the same on the inside? Evolution couldn't have done that when you really think about it.
Actually this is a level of evolution that even "macro" evolution-deniers recognize as undeniable: change within a "kind". Humans have not historically been exempt from environmental pressure and so people living in very bright, hot places have darker skin with more melanin which helps protect them from solar radiation. People living in darker, cooler or more over cast regions have lighter skin to absorb as much as they can and lighter coloured eyes so as to be more sensitive to light. People living in very cold climates tend to be shorter and thicker as a means to conserve as much body heat as possible. People living at high elevations have a higher red blood cell count which allows them to more effectively deliver oxygen to their cells.
This is all evolution. This is all natural selection acting on different populations of people who are living under different environmental pressures. They change in response to certain environmental pressures but they haven't changed so much that they're not still genus Homo and species sapiens.
