Choose the correct statement:
A. Animals that lay eggs have external ears.
B. Those animals who have external ears have hair on their body.
C. Crocodiles have external ears.
D. Ears of birds help them maintain balance during flight.
E. The different patterns on the animals are due to the hair on their skin.
1
All of them
2
A, C, and E
3
B, D, and E
4
B and E