如图是某生态系统的食物�简图关于该食物�的叙述正确的是 A.该生态系统中生产者为绿色植物b.若该生态系统受到农药污染则生物体内有毒物质 Template




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tomski如图是某生态系统的食物�简图关于该食物�的叙述正确的是 a.该生态系统中生产者为绿色植物b.若该生态系统受到农药污染则生物体内有毒物质 coloring