Across
- 1. animals with hair
- 6. living things
- 7. animals that create their own body heat
- 10. animals with no back bone
- 12. animals with dry, scaly skin
Down
- 2. means "double life"
- 3. animals with a back bone
- 4. animals that cannot create their own body heat
- 5. nonliving things
- 8. organisms that cannot make their own food
- 9. organisms that make their own food
- 11. animals with feathers