endymion248
ODI Debutant
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Good that you've at least conceded the point in relation to the environment, albeit only in regards to skin colour. Now read this in regards to height and how some populations have become taller just in the last few hundred years, due to better diet (ie availability and type of food resources).
So that's two of the most visible physical features, skin colour and height, taken care of, ie both being affected by the environment and/or type/availability of food resources. In the case of height, taking less a couple of hundred years for the differences to show.
Now you can extrapolate that and it's not difficult to see how, over longer periods, other physical feature can also be affected by the local environment and local food resources.
You are showing a basic misunderstanding of evolution. The progress of height due to nutrition has little to do with genetics and thus evolution. If we go back to the old diet, we go back to the old height.