[Campbell Biology P.794] Which of the following is a unique reproductive characteristic of M... | Practice Question

Which of the following is a unique reproductive characteristic of Monotremata?

  • A: They give birth to live young that complete embryonic development in a pouch.
  • B: They lay eggs and young suck milk from the mother's fur.
  • C: They have a long, muscular trunk and elongated upper incisors.
  • D: They are aquatic with finlike forelimbs and no hind limbs.

Explanation

Monotremata e.g., platypuses, echidnas are unique among mammals for laying eggs, and their young suck milk from the mother's fur rather than nipples.