Wednesday, February 17, 2010

Parker Y

Human beings are indeed a keystone species. Humans have a significant impact on the many ecosystems surrounding us. A keystone species is said to be a species that has a dissproportionante affect on the environment of which it lives. This being said, it is fairly evident that humans do belong in this category. Humans effect many different ecosystem throught the world. Everthing we do as humans either beneifits or harms the world around us.

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