Ecosystem Part3

2. he process of working together to the same end.
5. water that flows over the ground surface rather than soaking into the ground
6. water that fills the cracks and spaces in underground soil and rock layers
9. The change of a substance from a liquid to a gas
10. A relationship between two organisms of different species where one benefits and the other is harmed
11. cycle The organic circulation of carbon from the atmosphere into organisms and back again
13. Conversion of nitrates into nitrogen gas
15. Competition It arises whenever at least two parties strive for a goal which cannot be shared or which is desired individually
17. A relationship between two species in which both species benefit
19. Evaporation of water from the leaves of a plant
21. cycle The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation
22. cycle The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere
23. A close relationship between two species that benefits at least one of the species.

1. A chemical reaction that breaks down compounds into simpler products.
3. An animal that hunts other animals for food
4. The change of state from a gas to a liquid
7. water that falls from the atmosphere to the Earth as rain,sleet , or snow
8. An organism that feeds on a living host
12. A relationship between two organisms in which one organism benefits and the other is unaffected
14. An organism on which a parasite lives.
16. An interaction in which one organism kills another for food.
18. exist at the same time or in the same place.
20. An organism that is killed and eaten by another organism