They are cold-blooded, live in water, use gills, have scales and fins and most of them lay eggs.
These animals have spines or backbones.
They are cold-blooded, have dry and scaly skin, cannot breath underwater and most of them lay eggs.
They lay eggs, can only breathe air, have feathers and have two legs and wings. Not all of them fly.
These animals are warm-blooded, breath air, have fur or hair and feed their babies milk.
These animals are cold-blooded, can live on land and in the water and lay eggs.
They don't have skeletons.
Reptile
Amphibian
Mammals
Invertebrate animals.
Vertebrate animals.
Bird
Amphibians.
Reptiles
Mammal
Fish
Birds
Fish
