杜鹃(花)与杜鹃(鸟)的结构层次相比，所少的是( ) A.细胞

杜鹃(花)与杜鹃(鸟)的结构层次相比，所少的是( )

A.细胞 B.组织 C.器官 D.系统

答案

D。本题考查生物体的结构层次。无论是动物体还是植物体，相同点是：基本单位都是细胞，通过细胞分化形成组织，不同的组织构成具有一定功能的器官；不同点是：植物体没有系统这一层次，动物体有系统这一层次。

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杜鹃(花)与杜鹃(鸟)的结构层次相比，所少的是( ) A.细胞

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