Plants in a forest ecosystem can ___. A. stop water B. waste water C. use water D. provide water 相关知识点: 试题来源: 解析 D。森林中的植物可以通过蒸腾作用等为生态系统提供水分,选项 D 正确。选项 A,植物不能阻止水;选项 B,植物不会浪费水;选项 C,植物不是使用水,而是参与水循环。反馈...
destroy other plants C. make the forest dark D. use up all the water 相关知识点: 试题来源: 解析 A。在森林生态系统中,植物很重要是因为它们为许多动物提供家园。B 选项植物不会破坏其他植物;C 选项植物不是为了使森林变暗;D 选项植物不会用完所有的水。反馈 收藏 ...
A. Just for decoration. B. Only food for animals. C. Provide shelter and help keep the soil fertile. D. None of the above. 相关知识点: 试题来源: 解析 C。解析:文章中提到“Plants also play an important role. Some plants are food for animals. Others help to keep the soil fertile.”...
In a forest ecosystem, the interaction between plants and animals is very important. This interaction is called ___. A. 子果产观提党和使究表权五别越子果产观提党和使究表权五别越symbiosis子果产观提党和使究表权五别越子果产观提党和使究表权五别越 B. 象见克算积正传信活级领象见克算...
题目There are many plants in the forest. They can provide oxygen for animals. What's the function of plants in the ecosystem? A. Providing food for animals. B. Providing oxygen for animals. C. Providing water for animals. D. Providing shelter for animals. ...
In the forest ecosystem, the ___ is a primary consumer that mainly feeds on plants. A. lion B. deer C. eagle D. snake 相关知识点: 试题来源: 解析 B。解析:本题考查生态平衡中的生物角色相关词汇。lion狮子,是肉食性动物,属于次级消费者或者更高级别的消费者;eagle鹰,也是肉食性动物;snake蛇,大...
There are many animals and plants in the forest, which helps to maintain the balance of the ecosystem.(森林里有很多动物和植物,这有助于维持生态系统的平衡。) A. balance B. imbalance C. equilibrium D. disequilibrium 相关知识点: 试题来源: 解析 A。本题考查“生态平衡”的表达,“balance”表示...
A. the interaction of plants and animals B. the amount of rainfall C. the temperature D. human activities 相关知识点: 试题来源: 解析 A。森林生态系统的平衡主要依靠动植物之间的相互作用。降雨量和温度是影响因素之一,但不是平衡的关键。人类活动通常会对生态平衡造成破坏而非维持。反馈...
Measurements of the photosynthetic response to midsummer irradiance were made for 11 species representing the dominant trees, understory shrubs, herbaceous plants and moss species in an old black spruce (Picea mariana (Mill.) B.S.P.) boreal forest ecosystem. Maximum rates of photosynthesis per unit...
The plants in the rainforest contribute to the water cycle through absorbing water through their roots and releasing it to the atmosphere through...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...