Across
- 3. tropical grassland
- 5. found in the northern hemisphere
- 10. Gas to liquid
- 11. Condensation in clouds
- 13. the non-living components of an ecosystem
- 14. Water that moves across the land surface
- 15. Evaporation of water from leaves of a plant
- 17. group of ecosystems that live in same conditions
- 18. the total amount of water on a planet
- 19. part of the planet that has living things on it
Down
- 1. The living organisms in an environment
- 2. Far away from equator
- 4. fixation nitrogen gas into nitrogen compounds
- 6. study of organisms in a environment
- 7. Liquid to gas
- 8. made up of biotic and abiotic components
- 9. the environmental area where a species lives
- 12. 30 degrees north and south of equator
- 16. an organism that can make its own food