A distinguishing feature of mammals is the possession of

  • A Skin
  • B Scale
  • C Nail
  • D Hair
jamb 2018biology

The correct answer is D. Hair

The following features is exactly what makes a mammal a mammal, and not a reptile, a bird or a fish: Hair, Middle Ear Bones, Sweat Glands, Temperature, Regulation

It’s one of the features of mammals

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