Why Are Black Peoples Eyes Yellow Why People Separated Into Western And Eastern?
Why people separated into western and eastern? - why are black peoples eyes yellow
If all people have the same ancestors, then this point of biological evolution, their descendants are spread throughout the Western population are the features of the eye color, hair color, skin, and during this time the distance of miles, people with black eyes, black hair , yellow skin, others with black skin in Africa. and why did it happen? Ie eatern people in the western media can also live. the same in the opposite direction. therefore not necessary that the changes to make.
|
1 comments:
All of these people can live in a country without problems, but because we are all under the auspices of refuge from civilization. Of course, most of our history were (at least hundreds of thousands of years), people live from day to day, and the risk of dying from all that was infected from lack of food and water for a sore Easy to predation by animals. Getting sunburn is now a poor or inadequate vitamin D is not the end of the world, but if it is in its raw state, it would probably you could find out for yourself.
The African ancestors of humanity were, no doubt, dark adaptation, which protects against the harmful rays of the sun. As the population of early humans spread from there, the Europeanst has slowed, not because doing the cloudy sky, as a rule their dark skin alow for a lot of vitamin D has been the essence and the color of the light chosen by more than a long one. It was involved as easy as turning off one of the many genetic and cellular mechanisms in cells, the pigment-protein. If the proteins, the pigment-Express offers no advantage, it was a loss of protein and a disadvantage for the body.
Sexual selection can be important if it is still seen as attractive in a second - that would be more successful in reproduction.
Post a Comment