The moose on Isle Royale are referred to as "meese", because they resemble mice rather than moose. Natural selection will eventually shrink these moose down and turn them into mice, making the ecosystem of isle royale FUBAR'ed.
Natural selection affects humans in the same way it does to all other animals - survival of the fittest - the only difference being that humans have the technology to help the less fit, allowing them...
So basically, natural selection is when traits become more likely to occur b/c they give an advantage to an organism. So if a trait is becoming more common, my guess is that biodiversity would go...