Across
- 2. A single living thing
- 5. water in plants evaporates into the atmosphere
- 7. water falls from the sky
- 8. All living and nonliving factors in an area
- 9. All living or once living things
- 10. many interconnecting chains that show several feeding options in the ecosystem
- 14. liquid becomes water vapor (a gas)
- 15. 1 feeding option
- 16. burning coal and oil adds CO2 into the air
- 17. nitrogen-fixing lightening change nitrogen gas into better forms for plants
Down
- 1. bacteria turns soil nitrates back into nitrogen gas
- 3. All parts of Earth where life exists in water, air, and land
- 4. water vapor (a gas) turns into liquid water forming clouds
- 6. Non living things
- 11. All members of the same species living in an area
- 12. the natural environment or home of a organism
- 13. A large area that shares similar climate, animals, and plants
- 15. All populations living in an area