Across
- 2. pesticide designed to kill plants
- 3. when an animals numbers are extremely low
- 6. Destroying forests and woodlands, leading to climate changes, the death of animals and soil erosion
- 9. used by plants to take in sunlight
- 12. Discharging or sending out of substances or fluids, e.g. car fumes
Down
- 1. used by plants to make energy
- 4. types of plants in an area
- 5. Of the sea, or to do with the sea
- 7. nonrenewable sources of decayed organic fuel
- 8. a substance that damages the area
- 10. Any organism that lives by capturing and feeding on another animal
- 11. types of animal or plant