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...
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...
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...
Accelerated succession in Himalayan alpine treelines under climatic warming Climate warming is accelerating successional dynamics, with late-successional species rapidly outcompeting pioneer species at Himalayan treeline ecotones, offering insight into future forest succession and its influences on ecosystem servic...
The bromeliads found in the rainforest are related to the pineapple family of plants. Interestingly, a bromeliad plant can be considered a little ecosystem because it is inviting to creatures of the forest who sometimes take up residence. The bromeliad has a thick, waxy leaf that forms an urn...
and 200 types of ornamentals. The vast majority of Hainan’s plant species are found in the rainforest. The plant ecosystem of the tropical rainforest is very complex, with quite different species found at different elevations. The main tropical rainforests of Hainan are found in Wuzhi Mountain...
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...