Part 1 of Essay
Since the beginning of human existence, humans have thrived through millions of years on earth, taking advantage of its great resources that were available freely for their personal use and survival. Toward the end of the 20th centry, these humans realized that they were utilizing large amounts of resources once thought ....

Part 2 of Essay
.... developing a gene in which calcium was obtained by the body to the bones in many ways. The species’ bone was clearly stronget and more solid than any other creature. The lungs where genetically alreed to increase capability of filtering out dangerious chemicals caused by pollution, such as carbon dioxide, carbon monoxide and many others. The lungs’ ability to consume oxygen was enhaced, but was not fully capable of filtering all chemicals. The muscles and the body frame were much larger than those of humans. ....