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19 Cards in this Set
- Front
- Back
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biosphere
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part of earth (land,air,water) where life exists
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biogeochemical cycles
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how important chemical elements and compounds move through living and nonliving parts of the ecosystem
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precipitation
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how water gets from atmosphere to the ground (rain, snow, sleet, etc)
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transpiration
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how plants give off water
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evaporation
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movement of water from ground to atmosphere (liquid to gas)
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condensation
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process through which water vaor becomes clouds
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run-off
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water that travels from ground surfaces to lakes, riveres, or oceans
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carbon dioxide
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form of carbon in atmosphere
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photosynthesis
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how plants use carbon dioxide and water to help make sugars and oxygen released to the atmosphere
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producers
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plants that use carbon dioxide during photosynthesis
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consumers
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eat producers
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cellular respiration
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uses sugars and oxygen from producers and releases carbon dioxide back to atmosphere
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fossil fuels
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trapped carbon in coal, oil and gas
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combustion
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burning of fossil fuels that releases carbon dioxide back to atmosphere
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decomposers
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break down molecules in dead organisms and release the carbon back to atmosphere and nitrogen back to the soil
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nitrogen fixation
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lightning and bacteria on root nodules convert nitrogen gas into ammonia.
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nitrification
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process where bacteria turn ammonia into nitrates and nitrites that plants can use to make proteins
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denitrification
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bacteria change nitrates in soil back to nitrogen gas and release it to the atmosphere
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ammonia
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result of nitrogen fixation and a component of consumer wastes
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