How do mammals learn to behave?
reusing things Riding a bike adding heat sound Movement exercise Having fun sweating
A B C D E F G H
Playing is really fun.
mammal learn to behave by having fun
How do mammals learn to behave? (A) reusing things (B) Riding a bike (C) adding heat (D) sound (E) Movement (F) exercise (G) Having fun (H) sweating