What learns to behave through playing?
otters bacteria viruses rocks lions animals humans Birds
A B C D E F G H
Mammals include lions, bears, dogs, horses, cattle and antelopes.
Playing is one way that lions learn how to behave.
What learns to behave through playing? (A) otters (B) bacteria (C) viruses (D) rocks (E) lions (F) animals (G) humans (H) Birds