Across
- 5. Study of organism interactions and their environment.
- 7. Combined evaporation and transpiration.
- 8. Animal life.
- 10. Water falling from the atmosphere.
- 12. Meeting present needs without compromising future needs.
- 14. Consumer Carnivore eating herbivores.
- 15. Gaseous layer surrounding Earth.
- 17. A living thing.
- 18. Per Thousand Salinity measure (ppt).
- 19. Nitrate conversion to nitrogen gas.
Down
- 1. Management Sustainable ecosystem use.
- 2. Energy production using oxygen.
- 3. Plant life.
- 4. Water vapor release from plants.
- 6. Community Stable, mature ecosystem.
- 9. Earth’s life-supporting zone.
- 11. Liquid water turning to vapor.
- 13. Earth’s total water.
- 16. Large ecological areas with distinct climates and life.
- 18. Consumer Herbivore.