Science Reviewer

___________ have fur and are warm-blooded.

___________ have feathers and most can fly with their wings.

___________ have scales and breathe through gills.

___________ have six legs.

___________ are cold-blooded and can live both in water and on land.

Fish use _______ to breathe in water.

Birds use _______ to breathe in the air.

Dogs use _______ to breathe on land.

Frogs use _______ to breathe when they are in water and _______ when they are on land.

• gills

• lungs

All animals need __________ to breathe.