Across
- 1. these are what fish breathe through
- 4. an ... eats pretty much anything
- 9. only mammals have this (human hair is a variation of this)
- 11. this animal hunts other animals for food
- 13. its a hard shell around an animal's body parts
- 14. these live both on land and in the water
- 15. the ability to have babies
- 16. these feed their babies on milk
- 18. only birds have these
- 19. snails and mussels have this for protection
Down
- 2. this is the surname of the man who created the modern classification of living organisms
- 3. A sheep or a monkey is an example of a ... because they eat plant material.
- 5. these are animals that give birth to live babies
- 6. these animals have no spine
- 7. such animals kill for food
- 8. this is what we call grouping, or classifying creatures
- 10. these have a dry scaly skin
- 12. these animals lay eggs
- 17. both fish and reptiles have them