Across
- 4. a factor that is non-living
- 7. water located below Earth's surface
- 8. where liquid water turns into water vapor
- 11. a type of predator that is top of the food chain
- 12. when plants convert sunlight into energy
- 13. where water falls from the sky
- 15. make their own food
- 16. break down dead organisms
- 19. a factor that is living or once living
- 24. One benefits, One is unaffected
- 25. water that flows over the land without sinking into the ground
- 26. when water evaporates from plants
- 27. when all populations live in an area at the same time
Down
- 1. when bacteria converts nitrogen gas to ammonium
- 2. get their energy from other organisms
- 3. organisms that only eat plants
- 5. where water vapor turns into liquid
- 6. a group of organisms that share traits together
- 9. organisms that eat plants & meat
- 10. Both benefit
- 14. when all organisms of the same species live in the same place
- 17. One benefits, One is harmed
- 18. includes all living and non-living parts of an environment
- 20. when nitrates are converted into nitrogen gas
- 21. organisms that only eat meat
- 22. the burning of fossil fuels
- 23. when animals breathe out oxygen and release CO2