Majic_Abe, I like your idea on groups evolving seperately. I've noticed physical features that are specific to certain class groups, such as people who live in areas of low income possessing exclusive physical attributes. This might be exmplained in non-genetic ways, nutrition for example. But who knows?
As the question of whether or not humans will continue evolving, they will. As others have said, the environment is the guiding hand in evolution, but rather than letting the environment change us, we change the environment to suit us. I think the only evolution humans will undergo will be at their own hands via genetic engineering.
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