Across
- 3. any nonliving part of the environment
- 4. all the life on Earth
- 8. sunlit region near the surface of the ocean
- 10. all the organisms living in one enviroment
- 11. day to day changes in temperature, precipitation
- 14. layer of all the gases that surround Earth
- 17. dark ocean zone with no photosynthesis
- 18. average temperature, precipitation over time
- 19. study of interactions between organisms
Down
- 1. any living part of the environment
- 2. biome that has been changed by humans
- 5. group of organisms that produce offspring
- 6. different populations living in the same area
- 7. all the water on, in and around the Earth
- 9. solid earth, rocks, continents, ocean floor
- 12. gases that trap heat in the atmosphere
- 13. wetland formed when a river meets an ocean
- 15. regional climate community on land
- 16. a group of indivieuals in the same species