Ecosystems Vocabulary Part 3

2. An animal or plant on which a parasite lives.
4. The preying of one animal on others.
6. An animal that naturally preys on others.
13. The state or process of rotting; decay.
14. Plants absorb water through the roots and then give off water vapor through pores in their leaves.
16. To change from a liquid or solid into a vapor.
17. The process by which nitrogen is made into organic compounds, especially by microorganisms as a part of the nitrogen cycle.
19. A relationship between two organisms in which one of them (the parasite) benefits from or lives off the other.
20. Interaction that benefits both orgamisms.
21. The conversion of a vapor or gas to a liquid.
22. The cycle of processes where water circulates between the earth’s oceans, atmosphere, and land.
24. An animal that is hunted and killed by another for food.

1. The process of working together to reach the same goal.
3. Interaction that benefits one or both organisms.
5. Strive to gain or win something by defeating others who are trying to do the same.
7. An interaction between two organisms in which one benefits and the other derives neither benefit nor harm.
8. A natural process carried out by many microorganisms when sufficient oxygen is lacking; the conversion of nitrate to nitrogen gas.
9. The process of which carbon compounds are interconverted into the environment by the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.
10. Rain, snow, sleet, or hail that falls to the ground.
11. An organism that lives in or on a host and benefits by deriving nutrients at the host’s expense.
12. The draining away of water from land.
15. The process by which nitrogen is interconverted into the environment and in living organisms, including nitrogen fixation and decomposition.
18. Water held underground in soil.
23. Exist at the same time or in the same place.