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Old 05-08-2012, 04:59 AM
Dr. Strangelove Dr. Strangelove is offline
Join Date: Dec 2010
Posts: 6,380
Originally Posted by Gary T View Post
Perhaps you're thinking of propeller-type propulsion? As I recall flagellates are known to whip their tails around in a circular motion, effecting a crude propeller.
They don't just whip around in a circular motion--they actually rotate on an axle. Hard to imagine the same principle working on a large animal, though.