Actually, there is no fossil evidence to indicate that T. rex had or did not have hair.
Let's try another feature.
Look closely at the T. rex skull.
Mark in your table whether T. rex have a skull opening in front of the eye or not?
a) +
b) 0
c) ?
T. rex inherited a skull opening in front of the eye.
Before we move on, take some time to update your table!
Ooops. Can you really tell if T. rex had hair or not? Try again!
Ooops. Look closely at the skull and count the number of openings that you see. Try again!