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Dictionary

ec•o•sys•tem

Pronunciation: (ek'ō-sis"tum, ē'kō-), [key]
—n. Ecol.
a system formed by the interaction of a community of organisms with their environment.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

écossaise

ecotage

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