如图所示为一个简化的食物�据图分析正确的是a.该食物�由4条食物链组成b.其中的初级消费者是植食性鸟c.处于第三营养级的生物有3种d.生态 Template




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tomski如图所示为一个简化的食物�据图分析正确的是a.该食物�由4条食物链组成b.其中的初级消费者是植食性鸟c.处于第三营养级的生物有3种d.生态 coloring