Having a class pet means knowing what all living things need to survive. Children in preschool through grade one, take on the responsibility of caring for a class pet, while discussing the necessity for food, water, and shelter. They take turns caring for the animal and periodically discussing its behavior. They also ponder whether or not they think the animal is getting everything it needs to survive. Tip: If you are not allowed to have furry class pets, fish or insects are a good option.