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Which exceptions? Examples please.The question is: there ARE more exceptions than examples.
So, tell me why is east Asia different from France. I asked this question just a while ago and no one can answer it.
I can't. I don't have time.
And, I don't have to. I am sure the study of this question must have been done.
No they aren't. East Asia is noticeably warmer than France.
LOL! "East Asia" is a geographical region which contains the countries of China, Mongolia, the Koreas and Japan. Now you assert that all of these countries have the same climate as France?
Which exceptions? Examples please.
Different ecosystems.
There's different plants to digest. My digestive system, for example, REALLY doesn't agree with Indian food.
Different animals to deal with. Unlike in certain parts of Australia, I don't need to check my choose for any poisonous spiders. And I also don't need to get a bunch of preventive shots when I take a stroll to the next village. I only have to do that when traveling to some other continent.
What's missing?
I can find these differences in central Africa. Why is there only one race?
Because the evidence shows it is so far beyond reasonable doubt that for all practical purposes it can be considered true.If so, why do you say that evolution is true instead of being probably true?
OK, I thought this had been covered. When populations are reproductively isolated, they start evolving independently. Since mutations are random in the individuals of each population, over many generations, the genetic make-up of the populations will start to drift apart due to the accumulation of different neutral or nearly neutral mutations (i.e. ones that have little or no effect on fitness), even if all selection pressures are identical. This is known as 'genetic drift' and will cause the populations to slowly diverge over time in many small ways, including appearance.Same climate/environment, different race.
Which race is that? and do the Aka, Efé and Mbuti (groups of unusually small stature, often called 'pygmy peoples') belong to it?I can find these differences in central Africa. Why is there only one race?
Genetic isolation.
What part of it don't you understand?
Because the evidence shows it is so far beyond reasonable doubt that for all practical purposes it can be considered true.
OK, I thought this had been covered. When populations are reproductively isolated, they start evolving independently. Since mutations are random in the individuals of each population, over many generations, the genetic make-up of the populations will start to drift apart due to the accumulation of different neutral or nearly neutral mutations (i.e. ones that have little or no effect on fitness), even if all selection pressures are identical. This is known as 'genetic drift' and will cause the populations to slowly diverge over time in many small ways, including appearance.
In practice, when populations are sufficiently separated geographically to be reproductively isolated, they are likely to experience different climatic conditions, and so have slightly different environmental selection pressures acting on them as well as background genetic drift.
That is "south"-east Asia.
These are all textbook talks. No practical use. When it hits real data, the theory collapsed.
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