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The Cellular Basis of Activity

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Term
Definition
biotic   the living components of the world -in ecosystems, these components include all living things  
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abiotic   the non-living components of the world -in ecosystems, these components include sunlight, wind, nutrients, and minerals -absorbed by organisms when excreted as waste or when die  
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decomposer   an organisms that lives on decaying organic material, from which it obtains energy and its own raw materials for life -consume partially decomposed organic matter and excrete nutrient-rich waste like nitrogen, phosphorous, and calcium  
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biosynthesis   the process of putting together or building up the large molecules characteristic of a particular type of cell or tissue, in other words, reactions that put create the macromolecules needed for life  
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ecology   the study of living and non-living components of the environment and of the interactions that affect biological species  
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ecosystems   a biological community in its abiotic environment  
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when the types and amounts of matter in an ecosystem ------, the ecosystem ---   -remains essentially the same across time -remains in balance  
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when the types and amounts of matter in an ecosystem -, the ecosystem -----   - change -is forced to change too  
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not only does - move through an ecosystem, but some of it makes a complete - within it   -matter -cycle  
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Water Cycle...   the water cycle collects and redistributes the Earth's water supply  
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Carbon Cycle...   in a stable ecosystem, the total number of carbon atoms will remain approximately the same  
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What are the four main processes that move carbon?   1. biological processes 2. burial and decomposition process 3. geochemical processes 4. human processes  
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Nitrogen Cycle...   the atmosphere is the main reservoir of nitrogen; it also cycles through the soil and tissues of living organisms  
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Created by: emilyottinger
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