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Ecology 2.3
| Term | Definition |
|---|---|
| energy | the ability to do work and enables organisms to use matter in life processes |
| matter | anything that has mass and takes up space |
| Law of conservation of energy | states: energy cannot be created or destroyed |
| Law of conservation of mass | states: mass cannot be created or destroyed |
| energy pyramid | a tool that can be used to trace the flow of energy through an ecosystem |
| water cycle | the movement of water between the oceans, atmosphere, land, and living things |
| nitrogen cycle | the movement of nitrogen between the environment and living things |
| carbon cycle | the movement of carbon between living things and the physical environment |