MCQ
Which pair of characters are found without exception in all mammals
  • A
    Hair and viviparity
  • B
    Viviparity and mammary glands
  • C
    Viviparity and internal fertilization
  • Mammary glands and internal fertilization

Answer

Correct option: D.
Mammary glands and internal fertilization
d
(d)Most important character of mammals is the presence of mammalary gland and internal fertilization.

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