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Q. Monotremes are unique mammals because they

  • (A) posses hair
  • (B) give birth to live young
  • (C) secret milk in a pouch
  • (D) lay eggs
  • Correct Answer - Option(D)
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Explanation by: Admin

Monotremes are a unique group of mammals that lay eggs instead of giving birth to live young.

They are the only egg-laying mammals and include species like the platypus and echidna.

They also produce milk, but they do not have nipples; instead, milk is secreted through specialized skin glands.


Thus, the defining characteristic of monotremes is that they lay eggs.

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