Have mammals got hair?
YES
Do baby mammals drink milk?
YES
Are we mammals too?
YES
Do reptiles lay eggs?
YES
Have some reptiles got shells?
YES
Can amphibians live only in water?
NO
Do most amphibians lay eggs on land?
NO - most amphibians lay eggs in water
Do all birds fly?
NO
Do birds have feathers?
YES
Have fish got scales?
YES
Have some fish got teeth?
YES
