Across
- 4. All animal life of a region
- 5. At risk of being wiped out
- 7. Reduce the number of a species by killing some
- 8. All the plants and animals that depend on one another and their environment for food and shelter
- 11. Very simple plants that have no stems or leaves
- 12. Animals that can live on land and in water
- 14. The rotting flesh of a dead animal
Down
- 1. Of the sea
- 2. A species of a plant or animal that once existed but has died out
- 3. Water based
- 4. All plant life of a region
- 5. A form of tourism that tries to minimise damage to environment
- 6. Scientists who study ecosystems
- 9. Use or develop something in order to gain a benefit
- 10. The natural environment of a plant or animal
- 13. Animals that eat other animals