How can anyone believe in a single origin of life?

submitted by trident765 from self.nonmorons

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[–]fschmidt 7 insightful - 2 fun7 insightful - 1 fun8 insightful - 2 fun -  (0 children)

I have no opinion on this, but I can see a valid argument for single origin. If the creation of life is rare, then the first time it happened, life would have become quite developed before it could happen again, and so this second round would have no chance in competing with the more advanced first round.