Marine Mammals Use Echolocation to Detect Objects

question 41

Multiple Choice

Marine mammals use echolocation to detect objects. For echolocation to work, marine mammals must be able to

• A) generate rapidly produced clicks of short duration.
• B) detect faint echoes as their clicks reflect back from objects.
• C) screen out unrelated loud noises in the sea.
• D) evaluate the time and direction of return sounds.
• E) All of these are correct.

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