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Why do you think that most cetaceans use sound for communication and echo-location?

cattyson

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Why do you think that most cetaceans use sound for communication and echo-location?

Why do you think that most cetaceans use sound for communication and echo-location?

a) Sound travels farther through water than light
b) The ancestors of these organisms had vocal chords, so they adapted to project sound in water
c) Cetaceans have ears so they can hear sounds that fish cannot
d) Cetaceans have developed a simple language for communication
e) Cetacean skulls are specially adapted for sound transmission

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