The end of creation?

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colarris
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The end of creation?

Post by colarris » Wed Jun 17, 2009 8:39 pm

Are the processes that first created lifeforms on this planet still continuing? Are new simple organisms sill being created in some pool water like there were millions of years ago and would we ever witness a new species evolve?

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alextemplet
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Post by alextemplet » Wed Jun 17, 2009 11:25 pm

It's certainly possible. Not sure if it's ever been observed, though.
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canalon
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Post by canalon » Thu Jun 18, 2009 3:39 am

It is very unlikely.
Simply because there are no more nice warm pond (or deep sea vent or anything for that matter) that is not already teeming with life. The kind of life that have evolved for the last 3 or 4 billion years to use all the energy available and all chemicals that could create life. And has become extremely efficient at that little game. So if it is unlikely that any self-replicating spontaneously molecule, far from perfect as is quite likely, would survive long enough to find enough substrate to copy itself. However it will probably be used by an other life form to create its own next generation. It has been a while that the creation is finished.
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Post by MrMistery » Sat Jun 20, 2009 12:48 am

While the reason provided by Canalon is definitely the main one, even if there weren't any organisms nowadays I doubt life could appear again, because our atmosphere contains a lot of oxygen, which would probably kill any proto-organisms.
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Jesse2504
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Re: The end of creation?

Post by Jesse2504 » Sun Jun 21, 2009 3:37 pm

We have not currently been able to create a living entity, arguably RNA from prebiotic soup elements. We have gotten close to it but there are still major holes such as the synthesis of some nucleotide bases.

Apart from that, our planets vast amounts of life are extremely competitive and would make it difficult for such a life form to survive successfully.
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colarris
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Post by colarris » Mon Jun 22, 2009 6:19 pm

Could it not be achieved in a controlled environment?

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canalon
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Post by canalon » Mon Jun 22, 2009 8:12 pm

Possibly, but you will likely need to wait for a very long time to see something...
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Re:

Post by Jesse2504 » Tue Jun 23, 2009 2:59 am

colarris wrote:Could it not be achieved in a controlled environment?


They have been doing this but instead of intense sunlight radiation and heat they are using electrical current to provide energy. This technique has already synthesized many organic molecules from basic elements.
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