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.
Friday, February 5, 2010
Why Are Black Peoples Eyes Yellow Why People Separated Into Western And Eastern?
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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.
ReplyDeleteThe 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 to the Europeans believed, not the cloudy skies generally do alow her dark skin, have facilitated much of the essential vitamin D, and the color of light from a long period of time selected. It was as simple as Asso from one of the many genetic and cellular mechanismsved in cells that express the protein-pigment. 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.
Creat bands would be more difficult if we do not know wat the same side of the West Side
ReplyDeleteCreat bands would be more difficult if we do not know wat the same side of the West Side
ReplyDeleteGod hates and despises one race to another.
ReplyDeleteI agree with electropath. Also, remember that the world is a vast continent in a moment, then slowly separated. Early humans were nomadic and traveled in search of food, he traveled to various parts of the world. If formed, the new continents, and there are other physical characteristics of their environment. Even if we live in today, all in the same climatic environment that affects us all differently. People with fair skin who live in high risk areas with sunlight, too much vitamin D and other health problems. Her skin was not designed to absorb excessive sunlight. People with darker skin are not absorbed very little sunlight in vulnerable areas to live enough vitamin D. Therefore, there are pros and cons for the people not living in an environment that your skin type, but can in today's world, we are way find around him.
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