A. absorb water B. produce oxygen C. store nutrients D. protect from pests 相关知识点: 试题来源: 解析 B。本题考查生物知识中叶绿素的功能。叶绿素的主要功能是进行光合作用产生氧气。A 选项吸收水分不是叶绿素的功能;C 选项储存营养也不对;D 选项保护免受害虫侵害也不是叶绿素的作用。反馈...
What is the main function of leaves in plants? A. To store water. B. To absorb sunlight. C. To hold the plant upright. D. To produce seeds. 相关知识点: 试题来源: 解析 B。叶子的主要功能是吸收阳光进行光合作用。选项 A,存储水不是叶子的主要功能;选项 C,让植物直立不是叶子的主要功能;...
Plants can absorb carbon dioxide and release oxygen. What's the function of plants in the ecosystem? A. Absorbing carbon dioxide and releasing oxygen. B. Absorbing oxygen and releasing carbon dioxide. C. Absorbing water and releasing oxygen. D. Absorbing carbon dioxide and releasing water. ...
Plants need sunlight, water and air to grow. What is the main function of sunlight for plants? A. To make them beautiful B. To help them breathe C. To provide energy D. To keep them warm 相关知识点: 试题来源: 解析 C。解析:植物需要阳光、水和空气来生长。阳光对植物的主要作用是提供...
function of water. We also look for the various function of water in campus. Kids noticed that water helpful for the plants growth and make the fish living freely. There’s a kid come to tell us excitedly that people can swim and play with wate...
E. These include plants that have sensors printed on their leaves to show when they're short of water and a plant that can detect harmful chemicals in groundwater。”可知这就包括叶子上印有传感器来显示植物缺水的情况的植物,还有一种植物可以检测到地下水中的有害化学物质.由此可知,麻省理工学院工程...
DesertClimatedry:littlerainhotinsummercoldinwinterLiving-EnvironmentAnimalsandplantsBehometoanimalsandplants.PeopleLiveinhouseswithsmallwindowstokeepoutthesunandthewind.Livethelakestogetwater.GroupworkActouttheconversationwiththehelpofthechart. ___ClimateLiving-EnvironmentAnimalsandplantsPeopleGroupworkDiscussmoreinf...
A plant growing filtration box having purification function for an eco-pond is provided to plant and grow aquatic plants having self-purification capability, degrade organic matters in a water space, prevent an anaerobic reaction from being performed in a lower reservoir water on the bottom of the...
Here, we show that vascular function in one of the most widespread living bryophytes (Polytrichum commune) exhibits strong functional parallels with the vascular systems of higher plants. These parallels include vascular conduits in Polytrichum that resist buckling while transporting water under tension, ...
The more complex subjects of plant nutrition and plant water relations are discussed in the context of the sources of soil fertility and the use of fresh water in the cultivation of food crops. Before introducing the two most fundamental subjects of plant function, photosynthesis and respiration, ...