Birds and mammals are ____________________________.
warm-blooded
I live on land and in the water.
Amphibians
Mammals have this.
hair or fur
Reptiles, fish, amphibians are ________________________.
cold-blooded
Reptiles have this.
scales
Amphibians have this.
moist skin
Reptiles have this.
dry skin
Birds have this.
feathers
Babies drink their mother’s milk.
mammals
I have scales and dry skin.
reptiles
