Across
- 2. the spine.
- 3. changes in the body to fit a location.
- 4. the animal which live on land.
- 6. the study of environment.
- 7. a disease which is harmful.
- 9. being steady on a rope.
Down
- 1. the green substance in leaf.
- 4. relating to requiring free oxygen.
- 5. trees
- 8. water