Across
- 2. interaction of living & non living
- 4. mixed food chain
- 6. graphical representation of trophic levels
- 7. planting more trees
- 9. organisms that cause abundance
- 13. movement against deforestation
- 14. chief atmospheric component
- 15. certifying process of ecological perfection
Down
- 1. organisms feeding on both plant and flesh
- 3. succession of feeding and food
- 5. world wildlife fund
- 8. resources protected for future
- 10. organisms that feed on other dead ones
- 11. assessment protocols for environment maintainance
- 12. other name for forest ecosystem