How did black skin come about?

Related questions

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2. What is the driving force behind evolution?
3. When did humans appear on Earth?
4. How did the theory of evolution changed the world?
5. How does comparative anatomy provide evidence for evolution?
6. How did horses evolve?
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8. Why is Charles Darwin famous?
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Tags

1. #light
2. #against
3. #folate
4. #intense
5. #evolution
6. #people
7. #selection
8. #their
9. #radiation
10. #ultraviolet
11. #developed
12. #sunlight
13. #natural
14. #areas
15. #mainly
16. #depletion
17. #pigmentation
18. #lived
19. #caused
20. #evolutionary
21. #protect
22. #colouration