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Rectum infected?

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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Rectum infected?

Postby pankaaj on Sat Feb 25, 2006 2:16 pm

How did E.coli evovle so as to fit our retum?
& obviously why only E. coli?
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Postby canalon on Sat Feb 25, 2006 8:26 pm

Some E. coli are adapted to our Digestive tract. They are a common bacteria and hence they happened to move a lot into mammals GI tract. Probably helped adaptation, but there is no good answer to that.

For the second question E. coli represent 1% of the Aerobes in our gut, that makes it the most abondant on this category. But aerobes represent 1% of oour total intestinal flora, so there is no "obviously" here ;)
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Postby 2810712 on Sun Feb 26, 2006 2:50 pm

THanks, %s were greatly astonishing i thought it would be atleast 30-40% of total flora...
similar q is - why humans evolved as organisms on earth?
Very long answers as evolution is complex and simultaneous for many chara.








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Postby alextemplet on Sun Feb 26, 2006 4:41 pm

why humans evolved as organisms on earth?


Because if we evolved on Mars we'd be asking, "Why did we evolve on Mars?"
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Moonfull humans

Postby pankaaj on Sun Mar 05, 2006 12:35 pm

alextemplet wrote:
why humans evolved as organisms on earth?


Because if we evolved on Mars we'd be asking, "Why did we evolve on Mars?"



And what if we were evovled on the Moon?
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