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...have gone through, when there was no interspecies competition, no distinct species as such, just RNA capabilities shared by everything. ...thetic life could be transferred from Earth to Mars - other photosynthetic species, shock, and spall zone (http://robertinventor.com/booklets/If_humans_touch_ ...

...res. However, at temperatures below 10°C, they are beneficial for numerous species of microbes, reducing the lowest temperature for them to propagate by up to * The ability of multi-species microbial communities to alter dispersed small-scale habitats. ...

...d be quite severe ...the consequences might well include the extinction of species and the destruction of whole ecosystems. Humans could also be threatened wi ...ing overly dramatic, the consequences might well include the extinction of species and the destruction of whole ecosystems. Humans could also be threatened wi ...

...erstar, every supreme leader, every saint and sinner in the history of our species, lived there on a mote of dust, suspended in a sunbeam. . . . <br><br>Think ...ns, and planet Earth|cataclysm]] and eventually becoming a [[spacefaring]] species. Sagan's deep concern regarding the potential destruction of [[Risks to civ ...

...hand, lower temperatures could also enable living systems to use chemical species that would be too unstable at Earth temperatures to be useful.<ref name="as ...llaborative science-fiction project, includes a number of extraterrestrial species with exotic biochemistries, including organisms based on low-temperature [[ ...

...ter space exposure, the spores of microorganisms and fungi, as well as two species of plant seeds (''[[Arabidopsis thaliana]]'' and [[Tomato]]) were analysed ...gy Magazine |date=31 July 2014 |accessdate=2014-08-02 }}</ref> carrying 46 species of bacteria, fungi and arthropods,<ref>{{cite news |url=http://www.laborato ...

Three key microorganisms include ''Deinococcus'' species: ''[[Deinococcus radiodurans|D. radiodurans]]'', ''D. aerius'' and ''D. ae #Survival of some species of microbes in the space environment ...

...dibility to life detection, and the response could also be due to a mix of species<ref>{{cite web |url=http://contactincontext.org/Crocco_nomenclature_CIC.htm ...

...itations that RNA sequences could provide when identifying closely related species. His research centers around understanding the early [[evolution]] of life. ...ose is close:16S rRNA sequence identity may not be sufficient to guarantee species identity." Int J Syst Bacteriol 42: 166-160. ...

| '''Species''' || '''Magee, 1050&nbsp;km''' || '''Cui, 1050&nbsp;km''' || '''Cui, 1077& ...

...cates (quartz and basalt) lead to the formation of toxic [[reactive oxygen species]].<ref>"Silicates Eroded under Simulated Martian Conditions Effectively Kil ...

...title=UV-C tolerance of symbiotic Trebouxia sp. in the space-tested lichen species ''Rhizocarpon geographicum'' and ''Circinaria gyrosa'': role of the hydrati ...

{{Wikimedia for portals | species=no | voy=no}} ...

...undamental to the [[Respiration (physiology)|respiration]] of later animal species. The [[Gaia hypothesis]], a scientific model of the geo-biosphere pioneere ...

Team scientists used 137 different microorganism species, including [[extremophile]]s that were isolated from Earth's most extreme e ...

...stead, only a few individual bacteria were sampled, and only from a single species.<ref name="Mitchell" /> ...

...of Europa's surface ice, subduction of radiolytically generated oxidizing species might well lead to oceanic free oxygen concentrations that are comparable t ...

...ntal, and isotopic characteristics, abundance and distribution of volatile species and organic molecules. ...

...[salinity]], and variable [[redox]] states of both [[iron]] and [[sulfur]] species.<ref name="SCI-2013-McLennan" /><ref name="SCI-2013-Vaniman"> ...

Species, including [[human]]s, known to possess [[animal cognition]] require large ...