Image: Jellyfish locomotion
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Description: Jellyfish locomotion is highly efficient. Muscles in the jellylike bell (diagrammed in a vertical section) contract, setting up a start vortex and propelling the animal. When the contraction ends, the bell recoils elastically, creating a stop vortex with no extra energy input.
Author: Ian Alexander
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes
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