Whales and seals increase their flotation by
A) filling their swim bladders with large quantities of gas.
B) storing large quantities of low-density fat.
C) blowing bubbles while swimming.
D) storing nitrogen in their blood.
E) having specialized air cavities in their bones.
Correct Answer:
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Q2: The most numerous organisms in the sea
Q3: Because whales are homeotherms, individuals of a
Q4: There are no endothermic marine organisms.
Q5: Pelagic seabirds nest at sea.
Q6: Seabirds have a very well developed sense
Q7: A shark is an example of a
Q8: To which group do the tuna, salmon,
Q9: All sea turtle species are gradually increasing
Q10: Each year, the bowhead and beluga whales
Q11: Dolphins and porpoises are small toothed whales.
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