What are the characteristics that one would associate with the term "mammals"?

What are the characteristics that one would associate with the term "mammals"?
  1. Animals with external ears and body hair
  2. Animals with wings
  3. Animals with fins
  4. Animals with scales

Solution

When we say "mammals" one would think of animals with external ears and body hair as the characteristics associated with it.

Asked in: NCERT

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