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Arsenic in the Evolution of Earth and Extraterrestrial Ecosystems
Authors:Ronald S. Oremland  Chad W. Saltikov  Felisa Wolfe-Simon  John F. Stolz
Affiliation:1. U.S. Geological Survey , Menlo Park, CA, 94025, USA;2. Department of Environmental Toxicology , University of California , Santa Cruz, CA, 95064, USA;3. Department of Earth and Planetary Sciences , Harvard University , Cambridge, MA, 02138, USA;4. Department of Biological Sciences , Duquesne University , Pittsburgh, PA, 15282, USA
Abstract:
If you were asked to speculate about the form extra-terrestrial life on Mars might take, which geomicrobial phenomenon might you select as a model system, assuming that life on Mars would be ‘primitive’? Give your reasons.
Keywords:arsenic respiring microorganisms  biofilm  biogeochemical cycling  exobiology  planetary evolution
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