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economy class syndrome
economy drive
economy of scale
economy of scope
écorché
ecospecies
ecosphere
écossaise
ecosystem
ecoterrorism
ecotone
ecotourism
ecotoxic
ecotoxicology
ecotricity
ecotype
ecowarrior
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ecosystem
ec·o·sys·tem [ ékō sìstəm, kō sìstəm ] (plural ec·o·sys·tems)


noun 
Definition:
 
organisms and their environment: a localized group of interdependent organisms together with the environment that they inhabit and depend on
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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