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