Question

Which group of chordates possesses hair?

Answer 1

Answer:

Mammals possess hairs

Answer 2

In the animal kingdom the majority of the species are covered under the group of chordates.

Although there are many subdivisions under the chordate group.

And among these all divisions under the chordate group ,only the mammals have external body hair on their outer skin. (Including the humans because humans are also mammals and chordates also.)