The total quantity, usually expressed as weight, of specified organisms (or organic material) in a given area or volume of habitat.
| 单词 | θ19502 | 
| 释义 | the world > life > biology > balance of nature > population > 			[noun]		 > weight of (1)		 biomass1931 The total quantity, usually expressed as weight, of specified organisms (or organic material) in a given area or volume of habitat. | 
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