如图是某农田生态系统的食物�简图关于该食物�的叙述正确的是a.此食物�中生产者有植物和昆虫b.若受到农药污染则有毒物质含量最高的为蛇c Template




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tomski如图是某农田生态系统的食物�简图关于该食物�的叙述正确的是a.此食物�中生产者有植物和昆虫b.若受到农药污染则有毒物质含量最高的为蛇c coloring