air3

Edit Answers
123456789
Across
  1. 2. Birds use these body parts to fly.
  2. 4. Mammals use their lungs to do this.
  3. 6. Fish use these body parts to help them move through water.
  4. 8. Baby animals are also called ______.
  5. 9. Mammal mothers produce this to feed their babies.
Down
  1. 1. Mammals use these organs to breathe.
  2. 3. Many birds build this to hold their eggs.
  3. 4. A bird uses this hard mouth part to eat food.
  4. 5. Birds lay these when they reproduce.
  5. 7. Fish use their bodies and fins to do this in water.