I don't mean that it would be a fair competition. I meant competition in the same way we compete for fresh water with plants. If there isn't enough to go arou

I don't mean that it would be a fair competition. I meant competition in the same way we compete for fresh water with plants. If there isn't enough to go around we always drink first. My 20% is entirely based on what I think the odds are that single cell microbes exist, possibly in a dormant state, somewhere near a water or methane source in our solar system.