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食物链和食物网常常作为高考命题的载体出现,多数以学科内综合的形式进行,考查能量传递效率的计算和生产者量计算,构建食物链和食物网是解题过程中不可缺少的环节。本文例析了食物链、食物网的构建以及能量传递效率的计算。
Food chains and food webs often appear as carriers of college entrance examination propositions. Most of them are conducted in an integrated manner within disciplines. Examining energy transfer efficiency and calculating the amount of producers, constructing food chains and food webs is an indispensable link in solving problems. This article analyzes the construction of food webs and food webs and the calculation of energy transfer efficiency.