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Ok-Dog-7149 t1_j8iukfx wrote

This would seem to make some assumptions about relative proximity between the two.

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Geobits t1_j8izxui wrote

If they were close in time, sure. It's hard to imagine a biogenesis event now, for example, because existing life is so ubiquitous that it'd have a hard time competing against everything.

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Anarchaeologist t1_j8izjp5 wrote

Do you have an area in mind that this might happen? Every environment on Earth that's suitable for organic life's survival seems to already be swarming with microbes

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