If there was a sudden, significant event in the area (such as a volcanic eruption) then a population with higher biodiversity is more likely to contain at least 1 species which will be adapted enough to survive in the changed environment than an area with lower species diversity.<span />
D- a person can communicate instantly with others almost anywhere in the world
Hey...I think I remember answering one of your old questions LOL...*Think So*
But one of thier impact was strong food shortages
Native Americans were continually pushed out of their homeland and much of the natural world of the American west was destroyed to make way for the settlers