Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.
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Aeither to find and attack prey, to defend themselves, or also for communicating and navigating
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Beither for finding and attacking prey, defend themselves, or for communication and navigation
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Cto find and attack prey, for defense, or communication and navigation
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Dfor finding and attacking prey, to defend themselves, or also for communication and navigation
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Eto find and attack prey, to defend themselves, or to communicate and navigate
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正确答案: E