Answer this:
A scientist studies the remains of two extinct animals to learn more about how they lived. She determines that one animal was a carnivore and the other was an herbivore. Which of the following did the scientist most likely compare to make this conclusion?
Available options:
 a). the number of bones in the animals;
 b). the size of the animals;
 c). the body covering of the animals;
 d). the skull of the animals;