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We are currently living in the sixth wave of extinction
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Biology Essay #2 We are currently living in the sixth wave of extinction Student's name: Stacey Wong Lye Yi Student number: 40315231 Teacher's name: Professor Associate Michael Gillings Date due: 26 May 2003 It is believed by the majority of scientists that we are now currently living in the sixth wave of extinction. Extinction waves have been known to occur since some 440 million years ago. Five major waves in history have been known to mankind but few are aware that we now live in the sixth. In the first wave of extinction, about 440 million years ago, twenty-five percent of all families of marine life were lost because they could not adapt to the severe change of global cooling that was presumed to have occurred during that period of time (Niles Eldredge, 2001). Making things worse, one family can possibly consist of a few to thousands of species (Niles Eldredge, 2001). During the second wave...
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