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Grandeur and The Great Barrier Reef
The Great Barrier Reef. It is the largest community of it's type in the world. The reef is made up of sections of coral which sprawl along the northern coast of Australia. Amazingly this reef has been developing for hundreds of thousands of years. It's lengthy existence has given society the mistaken impression of it's immortality. The interesting tidbit about reefs is that they really are dying, all the time! They are made up of polyp skeletons who have already met their demise. Even though it sounds quite ghastly, it is actually a remarkable system. Essentially the skeletons harden and then support a vast array of living corals (polyps), which attach themselves to it. "The top layer of the communal animal ages and is eventually overgrown and killed by new polyps, therefore builds upon themselves inch by inch." The world book online defines a reef as, "A limestone formation that lies under or just above the surface of the sea." The majority of people would jump to the conclusion that this niche supports a limited specie variety.

Full Article: http://www.suite101.com/article.cfm/environmental_ethics/88714


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