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Numerous types of bacteria have been found deep underground, ... The two most popular methods in use are the five kingdom and the three domain systems. ... Woese found that bacteria and this other, previously unidentified group of organisms had likely split apart from a common ancestor billions of years ago.
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science.howstuffworks.com/cellular-microscopic-biology/...
science.howstuffworks.com/cellular-microscopic-biology/extremophile.htm/printable
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Archaea - Wikipedia, the free encyclopedia
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The Archaea [ɑrˈkiə] are a group of single-celled microorganisms. A single individual or species from this domain is called an archaeon (sometimes spelled "archeon"). They have no cell nucleus or ...
en.wikipedia.org/wiki/Archaea
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Archaea and some bacteria evolved in these conditions, and are able to live in similar harsh conditions today. Many scientists now suspect that those two groups diverged from a common ancestor relatively soon after life began. ... They were primitive entities that were on their way of becoming one of the three modern cell types,
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www.spacedaily.com/news/life-01zm.html
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They also exhibit a variety of different types of metabolism. For instance the halobacteria can use light to produce ATP, although none conduct photosynthesis in the usual sense. Archaea are divided into two main groups based on rRNA trees, the Euryarchaeota and Crenarchaeota. ... Woese argued that the bacteria, archaea,
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www.economicexpert.com/a/Archaea.html
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Time was, scientists knew, just knew, there were only two fundamental branches of life on the evolutionary tree: bacteria and the eukaryotes, the latter from which stemmed animals ... What did Woese and other biologists study to determine that the kingdom Monera actually consisted of two very different types of organisms?
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homepage.smc.edu/hodson_kent/Evolution/evolution/Woese....
homepage.smc.edu/hodson_kent/Evolution/evolution/Woese.htm
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Woese redefined the "tree of life" into three domains: the eukaryotes, bacteria and archaea. ... Woese and Wolfe showed that there are three primary lineages. Within the prokaryotes, there exist two distinct groups of organisms no more related to one another than they were to eukaryotes.
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news.illinois.edu/news/03/0213crafoord.html
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In the late 1980's a biologist named Carl Woese discovered that not only did life appear on Earth in the form of prokaryotes at around 4.0 billion years ago, there was more than one kind! Woese found that what had always been considered a single creature was in fact two distinct types he named archaea and true bacteria.
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www.lloydpye.com/A-Life.htm
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The publication costs of this article were defrayed in part by page ... characterized molecular system there exists a characteristic .... cation is to be found in appreciation of the ... cies (the genus Archaeoglobus), and two types of thermo- ... Bacteria. 6. Archaea. Eucarya. 1. 4578 Evolution: Woese et al. ...
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www.pnas.org/content/87/12/4576.full.pdf
www.pnas.org/content/87/12/4576.full.pdf
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Professor Woese of the University of Illinois, is a self-described molecular biologist The first thing, the most superficial one, is that life actually comprised three major types of organisms, not two: eukaryotes, bacteria, and archaea; not just eukaryotes and the sum of bacteria and archaea prokaryotes.
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www.learner.org/courses/biology/units/compev/experts/wo...
www.learner.org/courses/biology/units/compev/experts/woese.html
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