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A comment on Living microbes, possibly 100M years old, pulled from beneath the sea (2020). Parent comment

Re:Living microbes, possibly 100M years old, pulled from ben... by londons_explore on Tuesday January 19, 2021 @05:49AM (#25832082)
As they were buried deeper and deeper in the sediment, presumably oxygen levels fell lower and lower.

That will have caused selective pressure to manage to survive with so few resources. Those that can't simply become energy for others who can.

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Re:Living microbes, possibly 100M years old, pulled from ben... by coliveira on Tuesday January 19, 2021 @12:05PM (#25835601)
There are cells that don't need oxygen to survive. The fact that there is no oxygen in the environment doesn't mean that certain forms of bacteria cannot survive.
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