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Nutrition
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The obtaining and processing of food materials
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Transport
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The intake and distribution of materials throughout an organism
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Respiration
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The release of energy from food by oxidation
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Excretion
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The removal of metabolic wastes from an organism
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Synthesis
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The combining of simple substances to form more complex substances thereby forming more living matter
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Regulation
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The coordinated response of an organism to a changing environment in order to maintain stability
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Growth
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The increase in size of an organism that results from the synthesis and organization of materials into new substances and structures
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Reproduction
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The ability of living things to produce more of their own kind. This process is essential to the species but not to the individual organism
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