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What characteristic makes marine mammals different from other marine animals?

User Caldwellst
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2 Answers

9 votes

Answer: They breathe air through their lungs.

Step-by-step explanation:

User Jena
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11 votes

Answer:

They must meet the characteristics of all mammals — they breathe air through lungs, are warm-blooded, have hair, and produce milk to nurse their young — while also living most or all of their lives in or very near the ocean.

Step-by-step explanation:

User Yordan Yanakiev
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