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