QUESTION IMAGE
Question
a plant with stomata present only on the top of its leaves would be best suited to which environment?
○a. desert
○b. underwater
○c. rainforest
○d. water surface
Brief Explanations
植物叶片气孔的分布与环境相适应。对于生活在水面的植物,叶片上表皮接触空气,下表皮接触水面,气孔只在上表皮有利于气体交换(如吸收二氧化碳、释放氧气等),同时避免下表皮在水中时水分过多进入或散失等问题。沙漠植物一般气孔较小且可能有其他保水结构;水下植物气体交换方式不同,气孔一般不这样分布;雨林植物叶片气孔分布较为多样但不是只在上表皮这种典型适应水面环境的特征。
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D. water surface