science
Grade-4-
Easy
Question
What is true about mammals?
- They are highly evolved
- They give birth to their young ones
- They feed their babies with their own milk
- All of the above
Hint:
All mammals are viviparous.
The correct answer is: All of the above
The correct option is d) all of the above.
Humans are mammals and are very highly evolved creatures. Mammals have the most complex brain and the only which produce milk.
Mammals (except platypus and the echidna) are viviparous which means they directly give birth to young ones.
Mammals have mammary glands which produce milk. This milk is used to feed the babies/ offspring.
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