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A narwhal moves by a combination of steering, and emitting and evaluating sounds. Steering is accomplished by the combined, coordinated work of the tail and of the upturned tips of the flippers. Emitting sound is accomplished by the combined, coordinated work of vocalizations and processing by the head and possibly the tusk. The tusk also may play a critical role in identifying appropriate underwater pressures and temperatures in which to swim.

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Karelle Grady

Lvl 10
3y ago

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