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19．下列关于生态系统的说法错误的是 A．生态系统的组成成分中含有非生物成分b．碳可在生物群落和无机环境之间进行循环c．能量流动包括能量 Template






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tomski19．下列关于生态系统的说法错误的是 a．生态系统的组成成分中含有非生物成分b．碳可在生物群落和无机环境之间进行循环c．能量流动包括能量 coloring
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19．下列关于生态系统的说法错误的是 A．生态系统的组成成分中含有非生物成分B．碳可在生物群落和无机环境之间进行循环C．能量流动包括能量 sketch template
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19．下列关于生态系统的说法错误的是 A．生态系统的组成成分中含有非生物成分B．碳可在生物群落和无机环境之间进行循环C．能量流动包括能量 sketch template
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右图为生态系统各个成分间的相互关系示意图下列有关说法错误的是 A A是生产者它能够将无机物转变为有机物 B B为消费者它和C的 sketch template
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19．一个完整的生态系统的结构应该包括 A．生物群落及其无机环境 B．生态系统的成分食物链和食物 C．能力流动和物质循环 D．群落中生物的 sketch template
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下列关于生态系统的说法错误的是 A．在农田生态系统中人起着决定性的作用B．湿地生态系统被喻为“地球的肾 C．地球上的生态系统多种多样 sketch template
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如图为某生态系统中部分生物成分之间的关系下列有关该生态系统的说法错误的是 A．图中的虫和鸟属于消费者B．植物的枯枝落叶能被细菌和真菌分解 sketch template
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