Across
- 2. A process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.
- 6. Decayed organic matter which can be used as a fertilizer
- 9. Form of chemical control that kills plant pests
- 10. to catch fish in such high amounts that species struggle to survive
- 11. Mineral needed to make amino acids
- 12. Animal waste that is used as fertilizer
Down
- 1. Hyper nutrition resulting from fertilizer pollution of aquatic ecosystems
- 3. respiration without oxygen
- 4. Mineral needed to allow for enzyme reactions in respiration to take place
- 5. Form of chemical control that kills insects
- 7. Mineral needed to make DNA and cell membranes
- 8. Microscopic organism such as bacteria, fungi, virus etc.