Lunch time...

There will still be an exchange of atoms with the environment, and probably complete turnover at the atom level. I don't know how long that turnover would take.

How simple are we talking here? The simplest replicators are mere chemistry; it's just that the reactions they catalyse happen to produce more of the same chemical(s). There's no rejuvination, no hunting down of resources, no building and re-newing; just chemistry.Take one replicator, add naturally occuring compounds; produce more replicators.

Consider single cell asexual bacteria. They consume materials that have the chemicals they need to(1) fuel their energy needs (eat and excrete) and(2) make more cellular molecules like the ones they have.Some molecules could be used for {repairs\replacements}, and allow the cell to grow in size, but when they accumulate enough of the molecules to make a duplicate version, they split the resources between two new cells, either of which can have portions of the new and the old materials, and the process starts over.The parent cell doesn't die, but the child cells have new materials in them. In that sense they would be rejuvinated. Usually talking about time periods measured in hours or days.

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we are limited in our ability to understand
by our ability to understand

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RebelAAmerican.Zen[Deist
... to learn ... to think ... to live ... to laugh ...
to share.

'poof' because The first form of life supposively had come from nothing, like magic.
As scientific as Evolutionists would like to say it, the first cell Did just appear, by proteins or what ever you theorize.
The question about what it ate is interesting, but no doubt it was like cells of now a days, where it just splits and uses oxygen to eat and be able to multiply,
Of course, this doesn't explain how it actually survived oxygen, which could just have easily killed it in the unstable environment as much as help it.

If you studied the question you should know the answer.Welcome to the fray

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Join the effort to unravel {AIDS/HIV} {Protenes} and {Cancer} with Team EvC! (click)

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we are limited in our ability to understand
by our ability to understand

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RebelAAmericanOZen[Deist
... to learn ... to think ... to live ... to laugh ...
to share.

Hi Lunarious, welcome to EvC.There is a lot to learn here but I have to say you aren't off to a great start. There are only 20 posts in this thread and it doesn't appear you have read them.Questions are always welcome and appreciated here. But it looks bad if you ask questions that have already been answered in such a short thread.