Across
- 2. An organism that is killed and eaten by another organism
- 6. A relationship in which one organism lives on or in a host and harms it
- 8. The process by which a gas changes to a liquid
- 11. the act of an organism feeding on dead organic matter and breaking it down into simpler substances
- 14. an interaction between two or more living things in which they are said to work together
- 15. A relationship between two species in which both species benefit
- 17. that fills the cracks and spaces in underground soil and rock layers
- 18. Any form of water that falls from clouds and reaches Earth’s surface
- 19. Animal or plant on which or in which another organism lives
- 20. A close relationship between two species that benefits at least one of the species.
- 22. An interaction in which one organism kills another for food
- 23. two different organisms surviving together in one environment
Down
- 1. An animal that hunts other animals for food
- 3. The change of a liquid to a gas
- 4. An organism that lives on or in a host and causes harm to the host
- 5. cycle: The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere
- 7. Conversion of nitrates in to nitrogen gas
- 9. The process by which water is lost through a plant’s leaves
- 10. water that flows over the ground surface rather than soaking into the ground
- 12. Interaction among organisms that feign for the same resource in an ecosystem
- 13. cycle: The continuous process by which water moves from Earth’s surface to the atmosphere and back
- 16. A relationship between two organisms in which one organism benefits and the other is unaffected
- 21. cycle: The organic circulation of carbon from the atmosphere into organisms and back again