叶片表面的气孔是由保卫细胞构成的特殊结构是气体出入植物体的主要通道气孔能通过开闭运动对外界环境刺激做出响应请分析回答1气孔的开闭会 Template




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tomski叶片表面的气孔是由保卫细胞构成的特殊结构是气体出入植物体的主要通道气孔能通过开闭运动对外界环境刺激做出响应请分析回答1气孔的开闭会 coloring