Provides protection on the upper surface and allows light to pass through., Column shaped cells which carry out photosynthesis., Round shaped cells which carry out photosynthesis with air spaces between the cells., Consists of xylem and phloem tissue, Provides protection on lower surface, Control the opening and closing of the stomata., Tiny air holes that allow gas exchange..

Leaf structure (functions)

排行榜

视觉风格

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