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homework 3/20
| Question | Answer |
|---|---|
| abiotic factors | nonliving things in an environment |
| biotic factors | living or once living things in an ecosystem |
| environment | the combination of all living and nonliving things in an ecosystem |
| nutrient cycles | the way necessary chemicals cycle through the ecosystem |
| nitroficiation | process where ammonium is turned into nitrate |
| denitrofication | bacteria convert nitrate into nitrogen gas |
| decomposition | decomposers convert dead organisms back into nitrogen gas and carbon dioxide |
| photosynthesis | turning carbon dioxide into food |
| respiration | turning food into carbon dioxide |
| water cycle | the cycling of water throughout the world |
| evaporation | turning water from a liquid to a gas |
| condesnation | turning water from a gas into a liquid |
| precipitation | water falling as rain, snow, sleet, or hail |
| inflitration | water being absorbed into the ground |
| ground water | water being stored in the ground |