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| In the nitrogen cycle the formation of ammonia compounds. | ||
| The process by which materials necessary for organisms are circulated through the enviroment. | ||
| The process by which carbon is cycle through the biosphere. | ||
| The final process in the nitrogen cycle by which nitrogen gas is returned to the atmosphere. | ||
| water found in the soil or underground formations of porous rock. | ||
| The process in the nitrogen cycle by which nitrates and nitrites are produced. | ||
| The process by which bacteria change gaseous nitrogen into usable compounds. | ||
| Organisms responsible for nitrogen fixation | ||
| Plants which contain nitrogen fixing bacteria in their roots. | ||
| The bumps on the roots of legumes which contain nitrogen fixing bacteria. | ||
| Types of legumes. | ||
| Evaporation of water through the stomata of plants. | ||
| The process by which autotrophs trap sunlight, carbon dioxide and water into glucose and oxygen. | ||
| Site in an autotroph in which photosynthesis takes place. | ||
| Site in the cell in which carboydrates and oxygen are converted into carbon dioxide and water. Energy released is then trapped into ATP. | ||
| The two chemical process in which carbon, oxygen and water are cycled. | ||
| Process by which fossil fuels and plants(trees) are burned producing carbon dioxide and water. Contributes to the greenhouse effect. | ||
| The four main element necessary for life. | ||
| The region on the surface of the earth, below the surface and above the surface in which organisms habitate (live). | ||
| Process by which atmospheric water collects to form clouds. The is affected by temperature and pressure. | ||
| Matter is cycled but___________ is not. |
