Animal Classification

Mammals

Breathe with lungs

Have hair or fur

Babies grow in mothers’ bodies

Amphibians

Breathe with gills as babies, lungs as adults

Have skin only

Babies hatch from eggs

Birds

Breathe with lungs

Have feathers

Babies hatch from eggs

Fish

Breathe with gills

Have scales

Babies hatch from eggs

Reptiles

Breathe with lungs

Have skin covered with scales

Babies hatch from eggs

Insects

Have three body parts and six legs

Have hard outer covering

Babies hatch from eggs