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Unformatted text preview: structure. Both have evolved to similar survival mechanisms as flight; while they dont come from the same heritage. One of these examples that can have an interesting effect on humans is the evolution of human skin color. Millions of years ago humans evolved to have different skin colors based on the climate in which they lived. This is an ever changing issue in modern times because of the human's ability to travel with minimal effort. Modern advances in housing also do not make skin color a necessary trait for survival. As people with different skin tones and colors move around the world and interbreed it is thought that in the future people will have evolved to all have generally the same skin tone which will be a tan color such as you would see in the offspring of one dark skinned person and one light skinned person....
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- Spring '09