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单词 θ19608
释义
the world > life > biology > balance of nature > [noun] (32)
natural order1531

The order presumed to be present in the constitution of matter and the operation of forces in nature and society.

balance of nature1909

A condition in which two (or more) opposing forces balance each other; equilibrium. a state of equilibrium in nature produced by the interaction of…

ecosystem1935

A biological system composed of all the organisms found in a particular physical environment, interacting with it and with each other. Also in…

biosystem1942

a biological system (in any of various senses); esp. = ecosystem, n.

Subcategories:

— replacement of one species by another (17)
— type of ecosystem (4)
— biodiversity (3)
— endangered species (1)
— extinction (2)
— development or maintenance of ecosystem (1)
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