Oct 20, 2014, 12:07:01 AM10/20/14
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This from science news:
When Daphnia magna molts, its discarded body armor, can carry away harmful bacteria, a new study finds. The work is the first to show that molting can safeguard against parasites, says evolutionary biologist David Duneau of Cornell University.
More and more I see a lot, if not most, of the defenses of living things geared toward dangerous bacteria.