All mammals have

Hair

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Mammary glands

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Both A and B

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None of the above

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Solution

The correct option is D Both A and B
Two of the most distinctive features of mammals are the presence of hair and mammary glands on their bodies. Even the earliest fossil ancestors of mammals have evidence of hair or fur on their bodies. Females of almost all species of mammals have mammary glands that produce milk to nurse their young.
So, the correct answer is 'Both A and B'.

Suggest Corrections

Similar questions

A few unique features of mammals are listed here. Pick the incorrect one(s).

I. Body is covered with skin and hair which are thermoregulatory in function.

II. All mammals give birth to a fully developed infant after gestation.

III. Feeds the infant with milk from modified sweat glands.

IV. All mammals are not viviparous.

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