What makes a mammal a mammal?

Thursday, September 26, 2019




My dog is considered a mammal, however, so is a dolphin and an elephant.
In this short video, I answer the question, " what makes a mammal a mammal?
There are over 4000 different species of mammals.
Mammals have several common traits.


  • A backbone, 
  • Mammals are endothermic, 
  •  A unique jaw shape, 
  •  Glands that allow mammals to sweat and feed their offspring milk.

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