Instant evolution

See:

http://www.physorg.com/news/2011-04-instant-evolution-whiteflies-bacteria.html

Article reads: “It’s instant evolution,” said Molly Hunter, a professor of entomology in the UA’s College of Agriculture and Life Sciences and the study’s principal investigator. “Our lab studies suggest that these bacteria can transform an insect population over a very short time.” “It is not uncommon to find a microbe providing some benefits to their hosts, but the magnitude of fitness benefits we found is unusual,” she added.

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