ECOSYSTEM

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