Humans, as well as all other mammals, have hair. Hair, then, would be considered to be a(n) :

A) derived character.
B) cladistic character.
C) ancestral character.
D) analogous character.
E) polyphyletic character.

Derived Character

A trait that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals.

Cladistic Character

A feature of organisms used in cladistics to help establish evolutionary relationships, focusing on shared derived characteristics.

Ancestral Character

a trait or characteristic that was present in the common ancestor of a group of species and may be retained or altered in its descendants.