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Questions and Answers
What is a key adaptation of marine mammals that allows them to stay underwater for long periods?
Storing extra oxygen in their muscles and blood
What is the primary function of blubber in marine mammals?
To keep them warm
What is the group of placental mammals that includes shrews and bats?
Laurasiatheria
Why do marine mammals need to come to the surface?
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What is a characteristic that distinguishes marine mammals from other mammals?
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