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Lesson 4 - vocab
Science vocab for lesson 4
| Term | Definition |
|---|---|
| law of conservation of matter | the principle that states that matter can change form but cannot be created or destroyed |
| nutrient | matter that organisms need to carry out their life process |
| biogeochemical cycle | The circulation of nutrients in the atmosphere |
| primary producer | an organism that can capture energy from the sun or chemicals and store it |
| photosynthesis | the process by which primary producers use sunlight to convert carbon dioxide and water into sugars, releasing oxygen |
| consumer | and organism that relies on other organisms for nutrients and energy |
| decomposer | an organism that breaks down non-living matter |
| cellular respiration | the process by which organisms use oxygen to release the chemical energy of sugars, |
| eutrophication | The introduction of phosphorus and nitrogen into a body of water that leads to an overgrowth of algae and other producers |
| nitrogen fixation | the conversion of nitrogen gas into ammonia |