Re: What did the first single-celled organisms eat?

Perplexed in Peoria <jimmenegay@xxxxxxxxxxxxx> wrote:

"John Wilkins" <john@xxxxxxxxxxxxx> wrote...
John Harshman wrote:
snex wrote:

On May 9, 12:25 pm, Terry <Kilow...@xxxxxxxxxxx> wrote:

What did the first single-celled organisms eat?

each other.

They lost money on every deal, but they made it up in volume?

No, seriously, they had to have some source of energy and carbon. There
are many possibilities, some of which are still working today. There are
many inorganic processes that make high-energy molecules, some of whose
energy can be extracted. Currently living bacteria make use of all of
them. Look up, for example, "chemautotroph".

Original organisms probably evolved as a community that was overall
autotrophic. It is speculated (for we cannot know for sure) that they
worked off volcanic flows containing H2S, but I am betting that they
would happily reuse each other's high entropy molecules as well if they
could.

And I am betting that they would if they could, but they couldn't.

Why?

Now where is the betting window, and when do they post the results?

Ah, just see my mate down the hall there. Don't worry, he's completely
impartial.
--
John S. Wilkins, Postdoctoral Research Fellow, Biohumanities Project
University of Queensland - Blog: scienceblogs.com/evolvingthoughts
"He used... sarcasm. He knew all the tricks, dramatic irony, metaphor,
bathos, puns, parody, litotes and... satire. He was vicious."

.

Relevant Pages

  • Re: What did the first single-celled organisms eat?
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  • Re: What did the first single-celled organisms eat?
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