|
|||||
|
|
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 |