2.  Rhinoceros horns are made of
ivory, a stone-like substance.
bones, a calcified substance.
keratin, a fibrous substance.

3.  Rhinoceroses are
herbivores.
carnivores.
omnivores.

4.  Rhinoceros legs are stout and short and
end in broad feet, each with three toes.
end in broad feet, each with four toes.
end in broad feet, each with five toes.

5.  Rhinoceroses have
good vision but poor hearing and a good sense of smell.
good vision but poor hearing and a poor sense of smell.
poor vision but good hearing and a good sense of smell.

Score =
Correct answers: