Write four distinctive characters of mammalia
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Mammals have a four chambered heart Their skin is covered with hair. They have mammary glands which help them to feed their young ones. They give birth live young ones and not eggs. Exceptions: platypus
mayankv173:
They have four chambered heart
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DISTINCTIVE CHARACTER OF MAMMALIA
- three middle ear bone, hair and the production of by modified sweat glands called as mammary glands, and they are warm blooded
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