| Question | Answer |
|---|---|
| skeleton made of bone or cartilage | fish |
| live part of their life in water and part on land | amphibians |
| often live in hot dry places | reptiles |
| covered in feathers | birds |
| have hair or fur | mammals |
| usually give birth to live young | mammals |
| live in water whole life | fish |
| breathe with gills whole life | fish |
| go through metamorphosis | amphibians |
| hatch from eggs | birds |
| have two scaly legs and two wings | birds |
| females make milk to feed young | mammals |
| gain or lose heat easily to the environment | reptiles |
| need a moist environment to survive | amphibians |
| bodies trap heat inside | mammals |
| young breathe with gills and as adults breathe with lungs | amphibians |
| have lightweight, hollow bones | birds |
| covered in scales | fish, reptiles |
| breath with lungs their whole lives | reptiles, birds, mammals |
