Across
- 3. Water based
- 4. Scientists who study ecosystems
- 6. Very simple plants that have no stems or leaves
- 8. crops Crops farmers grow to sell, not for them
- 9. Plant life of a place
- 10. A risk of being wiped out
- 12. A form of tourism that tries to minimize damage to environment
- 13. Reduce the number of a species by killing some
Down
- 1. A species of plant or animal that once existed but has died out
- 2. Animal life of a place
- 3. Animals that can live both in water and on land
- 4. All the plants and animals that depend on one another and their environment for food and shelter
- 5. The natural environment of a plant or animal
- 7. Rotting flesh of dead animal
- 11. Tiny marine animal similar to shrimp