I can get specific later
Well theres a term for it but I had this thought come to me...excuse the off-tangents...
Awhile ago when I had seen that the Pyramids of Giza and the Nile mirrored Orion and the Milky Way, and through more research and thought with other civilizations and ancient structures they were always aligned to solstices and equinoxes, and more. Its very elaborate and deep. I think there ws a technology based on Harmonic Resonance. It has to do with cosmic/star/galactic energies through alignments and times/places that allow for different kinds of information to bring something into reality. It could be channeled consciously or subconsciouly through humans, maybe being enhanced through structures that will magnify the energy/intelligence, such as pyramids. Stone can absorb and hold energy as well as all kinds of other things. Crystal transduce energy. Anyway...
Picture the Earth as a mirror of the sky at whatever time. ie constellation points, such as Giza/Orion. Imagine structures aligned to these constellations that are transmitting information. Actually without the structures before man built them. I have 2 ponderings when it comes to the race/evolution issue. And this whole race thing has just been a little pondering, but
1. We were in our primitive state and in certain times of alignment we subconscioulsy started receiving information and impulsively acted on them without knowing what the hell we were doing .ie gathering rocks to make a circle or building something at a certain place. And, as Terrence McKennas thought, its possible our leap in evolution could have been brought on by the use of hallucinogenic/psychotropic plants/substances. Maybe with the combination we started evolving and becoming more conscious of these energies and started learning how to focus on them, determine what they were and where they were coming from. So, you have the ability to receive and channel information from different stars (this can also explain interstellar communication as a possibility since you dont have to worry about physics) Perhaps we channeled our creation stories. Maybe Ra was a higher dimensional being and channeled through certain peoples. (With Ancient Egypt there is alot of interesting evidence for their use of sound and harmonic resonance used as a technology through artifacts and structures, even to some engineers whove looked at some hieroglyphics they say that some kind of look like schematics) As far as race is concerned...With different areas of the Earth mirroring different constellations in the sky, you have different styles but the principles are the same! Before religion was bs, they all have their creation myths and principles and though the names are different, the principles are the same, mostly. Thats because its a universal process! So in the same light (heh) maybe the creation stories didnt come from one place or person, but different people at different places had these revalations/realizations because the information was channeled, not from the same being, but because its a universal principle that is absolute. I guess I just repeated myself

Since different beings /physical/animals adapt to their environment, this can also explain for different colors and features of us.
Or maybe we could have different races because maybe we came from different parts of the Universe, you never know, our knowledge of history is finite and not solid compared to the span of Earths history. Theres alot of things that intertwine and intersect when it comes to different things but Ive always been interested in and researched this kind of stuff since I can remember. Sorry if its jaded
It always looks like I write more when its in this box!
To expand a little on the energy the Earth has its own "acupuncture points" called ley lines. Many natural and manmade structures have been consciously and unconsciously built along these energy lines and intersections. Its at these points that the structure can magnify and direct the energies.