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