Not at all. Your point was that if it is difficult to tell whether a particular ...

		Angostura on Jan 13, 2018 \| parent \| context \| favorite \| on: Buried Ice Water Discovered on Mars Not at all. Your point was that if it is difficult to tell whether a particular organism was of terrestrial or martian origin, it must be so similar to Earth organisms as to be unworthy of study. If so, why bother studying more than one terrestrial organism?