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植物耐旱探微一些植物傲然屹立在干旱的风沙之中，它不怕日晒、沙埋，具有顽强的生命力。这是为何？原来这些植物是经过长期的自然选择，适者才生存下来。它们的外部形态有明显的旱生特性，如茎、叶、芽多呈白色或具茸毛，以反射强烈日照，有的植株各部缩小，减少水分蒸腾
植物耐旱探微
【摘 要】
：
植物耐旱探微一些植物傲然屹立在干旱的风沙之中，它不怕日晒、沙埋，具有顽强的生命力。这是为何？原来这些植物是经过长期的自然选择，适者才生存下来。它们的外部形态有明显的旱生特性，如茎、叶、芽多呈白色或具茸毛，以反射强烈日照，有的植株各部缩小，减少水分蒸腾...
【出 处】
：
绿化与生活
【发表日期】
：
0年LHYS801.006期
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