What do plants do in the water cycle? A. Absorb water B. Release water C. Both absorb and release water D. Neither absorb nor release water 相关知识点: 试题来源: 解析 C。植物在水循环中既吸收水又释放水。A 选项只吸收水不全面;B 选项只释放水不全面;D 选项既不吸收也不释放水错误。
Plants absorb carbon dioxide. What is the significance of this for the ecosystem? A. reduce pollution B. increase oxygen C. help animals breathe D. balance the E. cosystem 相关知识点: 试题来源: 解析 D。植物吸收二氧化碳,对生态系统的意义是平衡生态系统。选项 A“reduce pollution”是减少污染;...
Plants can absorb harmful substances in the air and purify the environment. What kind of harmful substance can plants absorb? A. Oxygen B. Carbon dioxide C. Pollutants D. Vitamins 相关知识点: 试题来源: 解析 C。本题考查植物的净化作用。植物可以吸收空气中的有害物质,如污染物。选项 A 氧气是...
Water is important for plants. Plants absorb water through their roots. What happens if plants don't get enough water? A. They grow taller. B. They turn yellow and die. C. They produce more flowers. D. They become stronger. 相关知识点: ...
A. They provide food and shelter for animals. B. They absorb heat and release moisture. C. They break down organic matter. D. They filter out pollutants and sediments. 相关知识点: 试题来源: 解析 A。原因:文中提到“Plants in lake ecosystems include submerged plants, floating plants, and em...
What is the term for the process by which plants absorb carbon dioxide and release oxygen? A. Photosynthesis B. Respiration C. Decomposition D. Circulation 相关知识点: 试题来源: 解析 A。光合作用是植物吸收二氧化碳并释放氧气的过程。B 选项呼吸作用是生物体吸收氧气并释放二氧化碳的过程;C 选项分解...
For plants to carry out photosynthesis, they need to absorb carbon dioxide. What is the role of carbon dioxide in photosynthesis? A. It provides energy B. It is a product C. It is a raw material D. It has no role 相关知识点: ...
百度试题 结果1 题目What is the name of the process by which plants absorb water and nutrients? A. Photosynthesis B. Transpiration C. Absorption D. Osmosis 相关知识点: 试题来源: 解析 C 反馈 收藏
so their decomposing bodies and skeletons provide a lot of nitrogen to the surrounding forest.Plants absorb this nitrogen, which they need to grow,so the transfer of this nitrogen to the forests is important—forests near streams with salmon actually reach maturity faster than other forests.OK. ...
We often see some plants around a pond. What can these plants do for the water? A. Make the water dirty quickly B. Absorb some harmful things in the water and keep it clean C. Make the water evaporate faster D. Make the water taste bad ...