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Because they are animals that have hair, bear live young and feed these young with milk from mammary glands.

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14y ago
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12y ago

Mammals are classified by two shared characteristics. They all feed their young with mammary gland milk, and all have hair.

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12y ago

it is in this class because it is a mammal and it is an animal

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10y ago

Because they bear live young and suckle them.

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Q: Why do pigs belong to Class Mammalia?
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