Trophic level In complex natural communities, organisms whose food is obtained from plants by the same number of steps are said to belong to the same trophic or energy level.
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释义
营养水平:在自然界复杂的生物圈中,有机体以植物为基础一层层获得食物,其经历得层次数即为该有机体的营养水平。
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