Marine Mammals Use Echolocation to Detect Objects

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.