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chapter 3 lesson 3
vocabulary
| Term | Definition |
|---|---|
| crust | is a thin layer of relatively cool rock that forms Earth's outer skin both on dry land and in ocean |
| mantle | a layer of very hot but mostly sold rock |
| core | beneath the lower mantle is earths |
| tectonic plates | as the asthenosphere moves, it drags along large plates of lithosphere called |
| landforms | features such as mountains, islands, and continents |
| depositions | these climate characteristics, in turn, affects the rates of soil formation, erosions, and |
| evaporation | the conversion of a substance from a liquid to a gas |
| transpiration | the release of water vapor by planets through their leaves |
| precipitation | such as rain and snow |
| condensation | a change in state from a gas to a liquid |
| aquifers | are layers of rock and soil that hold groundwater |
| groundwater | fresh water found underground |
| laws of conservation of matter | it explains why the amount of matter in the environment stays the same as it flows through matter cycles, such as the water cycle |
| nutrients | are matter that organisms requirw for their life processes |
| biogeochemical cycles | nutrients circulate endlessly throughout environment in complex cycles called |
| primary producers | are organisms, including plants and algae, that produce their own food |
| photosynthesis | producers pull carbon dioxide out of their environment and combine it with water in the presence of sunlight |
| consumers | are organisms, mainly animals, that must eat each other organisms to obtain nutrients |
| decomposers | are organisms such as bacteria and fungi that break down waste and dead organisms |
| cellular respiration | is a process by which organisms use oxygen to release the chemical energy of sugars and release co2 and water |
| eutrophication | the addition of phosphorus to bodies of water can lead to an overgrowth of producers in a process called |
| nitrogen fixation | is the conversion nitrogen gas into ammonia |