highwaystar101 on 14 May 2009
Bacteria evolve, they evolve into other bacteria all the damn time. I recall the e-coli experiments which saw the e-coli bacteria evolve from acidophobes into acidophiles. It only 40,000 generations for a bacteria to essentially completely evolve into another bacteria. The resistant who had mutations that allowed them to resist the acid had gained superiority over those that hadn't, and so they got to pass on their genetic traits.
In fact over 20,000 generations the reckoned hundreds of millions of mutations had occurred. so there bacteria do evolve.
http://en.wikipedia.org/wiki/E._coli_long-term_evolution_experiment
