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gsmoove23
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Actually, in cold climates its better to have a larger body.
Bergman's rule. Large bodies are beneficial in colder climates according to Bergman's rule:
The larger the animal the better it is at retaining heat. That is why during the glacial times many lineages of animals developed giant forms. Humans follow this rule in a broad way. People living near the poles tend to be larger on the average than those living near the equator, but there are a lot of exceptions. Certainly this is true in the new world where the native americans living in the amazon basin are among the shortest of all native americans.
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gsmoove23
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Yes, so large and stocky is best.
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Tingkai
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To find the Northwest Passage
Aug 2001 time: 13:28
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quote: Originally posted by DinoDoc
The more melanin in the skin, the better protection against UV radiation from the sun. People whose ancestors come from equatorial areas tend to have more melanin in their skin and therefore are darker. Some scientists think that lighter skin evolved to allow people who lived in the climates closer to the poles the ability to capture more sunlight to make Vitamin D. |
I'm asking about skin. I'm asking about hair colour.
Even during one summer you can see people's hair get lighter. So if people say a hot/cold environment affects height, how come it doesn't affect hair colour?
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Insigna
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Ok I have not read any of the posts but you must take into acount sevral things.
-People have been migrating over thousands of years.
-Climates change dramticly over thousands of years as
well.
-Ohter factors might be interconnected for example.
Why are blond people blond? there is no obvious genetic advantige but genes are interconnected so when a skin gene makes a person get lighter it is sometimes the skin gene that also effects the hair and eye color. Actualy it would be a pigment gene in that case. It is also often very much more complicated than this example.
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Albert Speer
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Puerile Polemic
Mar 1999 time: 00:28
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Oerdin:
I think the mediterrenean look is the standard of beauty... i dont buy this blue-eyed blonde nonsense...
white women want to get tans to look mediterrenean... some black people like light-skinnedness because they also look mediterrenean... the caramel/coffee with cream skintone and dark hair and eyes is so obviously the beauty ideal if there is such a thing as standard of beauty.
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