Across
- 3. The key characteristic of a vertebrate.
- 6. Vertebrates with moist skin.
- 8. What some invertebrates use to protect their bodies.
- 9. Invertebrates with three parts: the head, thorax, abdomen
- 13. The only mammal that can fly.
- 14. A skeleton on the outside of the body.
- 15. Vertebrates with hair or fur.
Down
- 1. Invertebrates with a long, soft body.
- 2. Vertebrates that live only in water.
- 3. The bone structure inside a vertebrate made up of a head, torso, limbs and a tail.
- 4. Vertebrates with feathers.
- 5. Most animals on earth are...
- 7. Invertebrates with a soft, muscular body.
- 10. Vertebrates with dry, scaly skin.
- 11. A worm which lives inside, or on the skin of, another animal and feeds on them.
- 12. A reptile with no legs.