Human Evolution And Natural Selection Made Easy - Dr. Andy Thomson @ W&L Law School
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The most important part is where he uses his arms to demonstrate the concept of geologic time. Thats the hardest thing for people to wrap their heads around.
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@Bockatadi I TRY to tell the guys at school this!!! But they don't believe me! D:
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teatree oil must've been in the homeopathy treatment, it kills viruses and germs
just like your disgusting pile of shit whore thing you had the nerve to
call a "mother"..hell's far too good for that pile of dogshit, and may you die like that
useless bitch..btw..why all the stalking and fake accounts? FAGGOT!!
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google Doe's Account.
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And more unexplanable is how 8 peoples (Noah's family) has given birth to such a variety of human, beside the fact that consanguinity would have reduced humanity to babbling ass scratching retards...
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In lower latitudes with more direct sunlight darker pigments evolved to in order to protect skin from UV raise which cause sunburns and skin cancer. It may feel a bit warmer as infrared is more readily absorbed, but the advantage of fewer sunburns and less melanoma makes it worth while. In higher latitudes lighter skin evolved in order to maximize the absorption of vitamin D where sunburn and melanoma was less of a problem. Hope this helps.
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Maybe biology 101 is your friend ;)
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i think lighter ppl were in colder environments because they would get sunburn easily in hot environment
darker ppl were in hotter environment because their skin could take the heat
so im guessing skin was more important than warmth :)
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oh wow. the closer the people are to the equator, the darker they will be. This is because the sun is harmful to our storage of Folate. We need Folate to synthesize Vitamin D. People adapted in accordance to how much sun their skin receives.
Oh my... You really are ignorant aren't you? Well, no shame in that, if you're looking for answers that is.
Darker skin is advantageous in environments closer to the equator, because of the higher levels of ultraviolet radiation. But further from the equator, the levels are lower and then dark skin becomes disadvantageous because we need some UVB if we dont want to suffer from vitamin D deficiency (alternatively we can supplement it through our diet).
bnightm 2 years ago 9
i love the statement debunking ALL racism starting at about 7:00
Bockatadi 2 years ago 5