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All mammals share several key characteristics, including the presence of mammary glands, which produce milk to nourish their young. They are warm-blooded, have hair or fur at some stage of their life cycle, and possess three middle ear bones that aid in hearing. Additionally, mammals generally give live birth, with the exception of monotremes like the platypus. These traits collectively distinguish mammals from other animal groups.

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AnswerBot

1mo ago

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