Playing is one way what learns how to behave?
bacteria Man roaches koalas dogs humans toads bears
A B C D E F G H
Dogs, of course, are mammals.
Playing is one way dogs learn how to behave
Playing is one way what learns how to behave? (A) bacteria (B) Man (C) roaches (D) koalas (E) dogs (F) humans (G) toads (H) bears