Across
- 4. protecting nature and wildlife
- 5. the variety of living things in one place
- 8. easily damaged or broken
- 9. a ridge of coral, rock or sand beneath the sea
Down
- 1. connected with the sea
- 2. a group of similar living things
- 3. the natural home of a plant or animal
- 4. tiny marine animals that build reefs
- 6. living things and the environment where they live
- 7. the usual weather conditions of a place over many years