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Microbes: Keeping it Going

... years ago. That is why modern reconstructions are only based on analogy and therefore are somewhat unreliable. At the dawn of life on Earth, only a prokaryotic community existed and the whole biosphere was created by bacteria. Any later event could only ... ... free-living organisms are fueled by redox reactions. The most primitive microbial community is the one of hydrogenotrophic microorganisms . The reducing agent they use is hydrogen, which is produced by water reacting with overheated rock, that is at ...

Modified: 30.05.2004
organisms , evolution , microorganisms , bacteria , life
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