Across
- 2. Non living factors.
- 5. All communities that are living.
- 6. Typically caused by new land formation and major disturbances.
- 8. Takes energy from the sun and turns it into food energy.
- 9. The whole earth, including all factors.
- 10. The study of how living things work with each other and their environments.
- 11. Contains pairs of different descriptions and directs the user to more descriptions.
- 14. When living things overproduce,other organisms struggle to survive,and there are different variations of organisms in an ecosystem.
- 15. All biotic factors in a certain area.
- 18. When both organisms benefit from each other.
- 19. When one organism benefits and has no affect on the other.
- 21. A type of pollution where rain or snow creates a run-off, carrying natural and human made pollutants to a body of water.
Down
- 1. Typically caused by natural disasters and forces the ecosystem and land to regrow.
- 3. Water pollution that comes from a certain, single source.
- 4. The conditions and gasses that surround the earth.
- 7. Living factors.
- 12. When one organism benefits and the other is harmed.
- 13. A species not native to an ecosystem, and could potentially be harmful to that ecosystem.
- 16. Organisms that depend on producers to eat.
- 17. The living things in a community that are the same species.
- 20. Interconnected food chains.