| 单词 | biomagnification |
| 释义 | biomagnification[ bahy-oh-mag-nuh-fi-key-shuhn ] / ˌbaɪ oʊˌmæg nə fɪˈkeɪ ʃən / nounbiological magnification. Origin of biomagnificationFirst recorded in 1970–75; bio- + magnification Words nearby biomagnificationbiology, bioluminescence, biolysis, biolytic, biomagnetism, biomagnification, biomagnify, biomarker, biomass, biomaterial, biomathematics Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for biomagnificationbiomagnification [ bī′ō-măg′nə-fĭ-kā′shən ] The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain. As a result of biomagnification, organisms at the top of the food chain generally suffer greater harm from a persistent toxin or pollutant than those at lower levels. Compare bioaccumulation. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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