Across
- 4. relationship of parts in a body that work together
- 6. hard external skeleton that covers the body
- 8. state of living or remaining alive or in existence
- 9. Special body parts or behaviors that help a living thing survive
Down
- 1. the purpose for which something is used
- 2. animal that is hunted and eaten by a predator
- 3. animal that hunts and eats other animals to survive
- 5. found on the inside such as the heart, lungs, or brain.
- 7. found on the outside like skin, eyes, and claws.