如图是某生态系统食物�简图请根据图回答问题1这个生态系统中的能量来源于 .2该生态系统的生物成分除了图中的生物外还应包括细菌和 Template




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tomski如图是某生态系统食物�简图请根据图回答问题1这个生态系统中的能量来源于 .2该生态系统的生物成分除了图中的生物外还应包括细菌和 coloring