why plants need water

来源:百度知道 编辑:UC知道 时间:2024/06/15 10:53:45
中学生用的实验报告,英文版的

为什生物需要水?
答:首先光和作用,需要水参与反映过程.但是最终反应物仍就是水,可看作化学中的催化剂
其次呼吸作用,也需要水参加反映
再次蒸腾作用,植物需要水不断的从根毛吸收,运输到叶的气孔蒸发,来保持光和作用和生命体自身酶所需的最佳温度.需要大量的水.所用水分是植物吸收水分的99%

why plants need water?
because first light, water and the role of participation in the process need to reflect the final reactant. but still is water, can be regarded as a catalyst for the second in the chemical respiration, also reflect the need to participate in the water again transpiration of plants need water, constantly bending or absorption, transport from the leaves of stomatal evaporation, to keep light and life itself and the role of enzymes that is required for optimal temperature ... need a lot of water is used. water plant uptake of 99% of water

为什么植物需要水?