Sept 9-08 - Diversity & Bacteria Notes - Robert M. May Essay

Sept 9-08 - Diversity & Bacteria Notes - Robert M. May Essay

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Josh Bovard Biology 111 – Tuesday, September 9 th , 2008 Professor Graham Bell D IVERSITY AND B ACTERIA – R OBERT M. M AY E SSAY Introduction : Humans do not know the world of plants, animals, and micro-organisms very well based on a variety of reasons 3 of these reasons are: Estimates of the number of species that have been name and recorded range from 1.4 to 1.8 million This simple fact should be determined, but it is not Estimates of the total number of species present on earth range from a low of ~3 million to a high of ~ 30 million, or possibly much more We have even less of an idea of the rates at which species may currently be going extinct This extinction may in fact be due to the consequences of human population growth Robert M. May will give his best guess as to the answers to these questions in the essay Answers : Number of species The naming and recording of species didn’t begin until Linneaus’ standard work in 1758 No centralized catalogue exists yet There are synoptic and computerized catalogues, yet they do not cover most of the insects (roughly 56% of species are insects) This misdistribution makes it tough to organize all the species Instead, May will focus his attention on eukaryotic species (plants, animals and fungi) Molecular biologists could argue that these eukaryotic species represent only a
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Sept 9-08 - Diversity & Bacteria Notes - Robert M. May Essay

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