Part one of term paper
Human beings have inhabited Earth for just a blink of an eye. Almost any ecosystem can provide resources valuable to humans. “However, recent reports show that approximately 40 percent of the earth’s land surface has been altered by humanity” (Becher). These altered surfaces have provided communities for humans, but the p ...

Part two of term paper
... But today, humans cause extinction through the manipulation of land use, pollution and etc. There are many reasons to preserve biodiversity such as medical advances, contributions to their ecosystem and much more. The primary arguments for preserving global biodiversity can be separated into two categories, human motives and natural existence. “Preserving a diversity of life on Earth has come to be an accepted goal for many people” (Botkin/Keller). Four distinct categories why huma ...