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生物圈中的生物在生物圈的物质循环和能量流动中各有其重要作用与人类生存�展有着非常密切的关系．1如图为生态系统碳循环示意图．据图回答 Template






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tomski生物圈中的生物在生物圈的物质循环和能量流动中各有其重要作用与人类生存�展有着非常密切的关系．1如图为生态系统碳循环示意图．据图回答 coloring
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地球生態系統有了它豐富多彩，一個也不能 每日頭條 sketch template
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题目如图为自然界中物质循环的部分图示其中1代表生物圈中的某类生物2 3分别代表不同的物质请回答1图中2代表的 sketch template
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如图是“生物圈碳 氧平衡 示意图分析回答1推测图中AB所代表的生理活动A是 作用B是 作用．2AB两个过程中能够降低大气 sketch template
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生物圈是地球上所有生物的家生物在生物圈中生存繁衍而且相互间生复杂的关系对此请分析回答下列问题1生物不仅能适应环境也能影响环境 sketch template
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生物多样性在自然界中的物质循环净化环境土壤改良气候调节等方面挥着重要的价值这是生物多样性的A．研价值B．直接使用价值C．间接使用 sketch template
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