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Author Topic: origins of bacteria  (Read 2813 times)

Offline moccacake

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origins of bacteria
« on: 28/05/2006 07:34:53 »
did the big bang create bacteria right along with the other elements of the universe such as hydrogen?



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Re: origins of bacteria
« Reply #1 on: 28/05/2006 14:56:37 »
If the Big Bang ever happened (which is the current dominant hypothesis), then at its instance of time, not even a single atom existed in its present form, and so bacteria, which is composed of many many atoms, could not possibly have existed at the instance of the Big Bang.

Ofcourse, you can argue that all that exists today is a product of the Big Bang, so the bacteria that exits today is a product of that Big Bang, albeit a very product that is derived several billion years after the event itself.


Offline neilep

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Re: origins of bacteria
« Reply #2 on: 28/05/2006 19:40:36 »
Absolutely...bacteria evolved just the same as everything and me for instance...

I expect the Big Bang just provided the foundations, for everything else that we know, to eventually exist, and for the future of new things that do not exist yet.

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Offline Soul Surfer

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Re: origins of bacteria
« Reply #3 on: 29/05/2006 09:44:42 »
No bacteria did not originate then.  Conditions were much too violent then for complex life in the form that exists on earth and the stars had not manufactured most of the elements that make up bacteria  They came much later and either evolved from the raw materials when the earth became habitable  or evolved elsewhere and took advantage of the earth when it became habitable  (most probably the former).

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Offline JimBob

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Re: origins of bacteria
« Reply #4 on: 29/05/2006 19:43:01 »
There is also another problem. The bacteria known today are not the same that existed at the beginning of life. In the 2-4 billion years they have been around bacteria have changed and adapted to an oxygen rich atmosphere. The composition of the atmosphere then can be debated but the evidence it was different is in the oldest sedamentary rocks.

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Re: origins of bacteria
« Reply #4 on: 29/05/2006 19:43:01 »


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