24.下列现象中能体现生长素浓度对植物器官的影响具有相同效果的是 A.根的�地性和茎的背地性 B.植物的�光性和顶端优势 C.茎的 Template




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tomski24.下列现象中能体现生长素浓度对植物器官的影响具有相同效果的是 a.根的�地性和茎的背地性 b.植物的�光性和顶端优势 coloring