balance of nature

noun

: a state of equilibrium in nature due to the constant interaction of the whole biotic and environmental complex, interference with this equilibrium (as by human intervention) being often extremely destructive compare erosion

Word History

First Known Use

1850, in the meaning defined above

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Kids Definition

balance of nature

: the fine state of balance in a natural ecosystem due to the effects of the living and nonliving parts of the environment on each other