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Ecology

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Definition: The branch of science concerned with the interrelationship of organisms and their ENVIRONMENT, especially as manifested by natural cycles and rhythms, community development and structure, interactions between different kinds of organisms, geographic distributions, and population alterations. (Webster's, 3d ed)  the discipline (education, history, etc) only; use ECOLOGICAL AND ENVIRONMENTAL PHENOMENA or specifics treed under it for characteristics and processes of ecological and environmental systems; DF: ECOL   
See Also Ecosystem; Environmental Health
Examples Ecotoxicology; Hydrobiology 		Other names Bionomics; Sciences, Environmental; Science, Environmental; Environmental Sciences; Ecologies; Environmental Science

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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