They spring up quickly after rains, when the surface is moist. Then, for a brief time, the desert can be literally carpeted with color. Almost as quickly as they appeared,these small plants die away. But they have developed special ways of ensuring the life of another generation when ...
A选项be a sign of danger是危险的标志,这不是沙漠植物对其他动植物的主要意义;B选项be a source of water,沙漠植物能储存水分,在沙漠环境中可以成为其他动植物的水源;C选项be a kind of poison是一种毒药,不是普遍的沙漠植物对其他动植物的意义;D选项be a tool for playing是一种玩耍的工具,不符合沙漠植物...
A. only habitats for desert plants B. only habitats for desert animals C. habitats for a diverse range of species D. no habitats for any species 相关知识点: 试题来源: 解析 C。原因:文章中提到“The desert ecosystem also has significant ecological value. It provides habitats for a diverse ra...
As the county is a vital site for preventing the two deserts from merging, generations of people here strive to turn the place into an oasis. Join China Daily reporter Peng Yixuan on an exclusive adventure in the desert sand!Photo Exhibition showcases technologies helping archaeological work ...
Polar deserts: Cold the whole year round but still receive very little moisture by way of precipitation. How Do Plants Survive in the Desert? Stephen Paul for Hunker While the desert, particularly the subtropical desert, seems like it would be a very hostile place for living things, ...
16.Ordinary plants are unable to survive in the desert mainly because of the changeable weather. A.Right B.Wrong C.Not mentioned 17.Grasses and flowers in desert are able to survive because they stay in the form of seeds to wait for the right amount of water to come. A.Right B.Wrong...
A. look for food B. reach underground water sources C. store water D. make the plant taller 相关知识点: 试题来源: 解析 B。解析:文中提到沙漠中的一些植物有很深的根是为了到达地下水源。A 选项找食物错误;C 选项储存水不是深根的主要作用;D 选项让植物更高与深根目的无关。反馈...
Which of the following is important for plants growing in the desert? A. lots of rain B. high temperature C. low humidity D. ability to store water 相关知识点: 试题来源: 解析 D。解析:沙漠中的植物重要的是有储存水的能力,沙漠很少有大量的雨,高温和低湿度不是最主要的。
The rhizosheath potentiality in re-vegetating sand dunes and arid lands, through nitrogen fixation, plant–water relationship and root continuity for nutrient uptake, are discussed. 展开 关键词: Associative nitrogen fixation Rhizosheaths Arid desert Sinai flora Sinai microflora ...
Learn about desert plants, animals, and geology; learn the history of the people and civilizations who lived and still persist in the desert biome.