Which of the following is (are) true regarding whale
sensory systems?
a. Like fishes, they use lateral line systems for
navigation.
b. Their jaws pick up sound vibrations in the water
and transmit them to their middle ears.
c. They collect sound waves using external ears.
d. All whales have auditory canals leading to their
middle ears.
e. All of these are true.
Answer: b
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