Question

how aquatic animals communicate in water
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Answer 1

$\huge\mathtt\blue{タղՖWモℜ}$ Changes in rate, pitch, and/or structure of sounds communicate different messages. ... By emitting clicks, or short pulses of sound, these marine mammals can listen for echoes and detect objects underwater. This is called echolocation. Some whales and dolphins use echolocation to locate food.

Answer 2

Answer:

Changes in rate, pitch, and/or structure of sounds communicate different messages. ... By emitting clicks, or short pulses of sound, these marine mammals can listen for echoes and detect objects underwater. This is called echolocation. Some whales and dolphins use echolocation to locate food.