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ecosystem
The definition of an ecosystem is a group of plants, animals and bacteria that work together to remain healthy.
(noun)An example of an ecosystem is a coral reef.
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See ecosystem in Webster's New World College Dictionary
noun
a system made up of a community of animals, plants, and bacteria interrelated together with its physical and chemical environment
Origin: eco- + system
See ecosystem in American Heritage Dictionary 4
noun
An ecological community together with its environment, functioning as a unit.
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