带了一枝条,带到实验室进行观察:(10分) (1)他将枝条插入到被稀释的红墨水中,一时间后将枝条做成切片进行观察(如下图),发现A部分被染成红色,这部分应该是 ,原因是 。 (2)图中B所在的位置所示的结构是 ,运输有机物。 (3)图中C所示的结构为 。有了这一结构,植物的茎能够 。 (4)研究发现枝条上带有枝芽,便将枝芽做成玻片标本进行观察。下图是在显微镜下观察到的枝芽结构图,请帮识别各个结构的名称: ① ② ③ (5)③将来会发育成 (6)[ ] 会逐渐生长,枝芽就发育成新枝。
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