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农作物的幼芽出土后,很快就会展开它绿色的小叶片,在阳光下通过光合作用而开始了独立的营养生活,并逐渐生长发育起来。绿叶为什么能在阳光下制造有机物呢?为了弄清这一点,必须了解叶子的形态结构和功能。
After the sprouts of the crop are unearthed, it soon expands its green leaflets and initiates an independent vegetative life through photosynthesis in the sun and grows progressively. Why can green leaves make organic matter in the sun? To understand this, one must understand the morphological structure and function of the leaves.