What is a fiber that is not found in reptiles or birds?
Tail muscle feathers sugar down hair Fat scales
A B C D E F G H
Animals can be classified into mammals, reptiles, birds.
Hair is a fiber that is not found in reptiles or birds
What is a fiber that is not found in reptiles or birds? (A) Tail (B) muscle (C) feathers (D) sugar (E) down (F) hair (G) Fat (H) scales