A. The variety of different species in an ecosystem B. The number of plants in a forest C. Only the large animals in an area D. The amount of water in a river 相关知识点: 试题来源: 解析 A。解析:生物多样性指的是生态系统中不同物种的多样性,包括动物、植物、微生物等各种生物种类的丰富...
B. It helps to maintain the balance of the ecosystem. C. It makes the earth hotter. D. It reduces the number of animals. 相关知识点: 试题来源: 解析 B。解析:生物多样性的重要意义之一是有助于维持生态系统的平衡。A选项说只提供更多食物太片面,C选项生物多样性不会使地球更热,D选项生物多样性...
A. Biodiversity has nothing to do with human health. B. A high level of biodiversity means a single - type ecosystem. C. Biodiversity is crucial for the adaptation of life to environmental changes. D. Biodiversity can be E. asily replaced. ...
Which of the following is an example of the importance of biodiversity? A. Destruction of forests B. Pollution of rivers C. Providing clean air and water D. Overuse of pesticides 相关知识点: 试题来源: 解析 C。提供干净的空气和水是生物多样性重要性的一个例子。选项 A 破坏森林错误;选项 B ...
Which of the following statements best describes the importance of biodiversity? A. It is only important for scientists. B. It has no value for future generations. C. It provides ecological, economic, and social benefits. D. It causes E. nvironmental problems. 相关知识点: ...
B. It depends on the joint efforts of all countries. C. Only the large - scale conservation areas can make a difference. D. Technology has no role to play in its future development. 相关知识点: 试题来源: 解析 B。解析:生物多样性的未来取决于所有国家的共同努力。选项A说肯定会毫无挑战地...
The forest ecosystem is rich in biodiversity. Which of the following best represents this? A. There are only a few types of trees B. There are many different species of plants, animals and microorganisms C. There are only large animals D. There are only plants that need a lot of ...
C. Plants are the only source of biodiversity. D. Plants contribute to biodiversity by providing habitats and food for different organisms. 相关知识点: 试题来源: 解析 D。解析:植物对生物多样性很重要,通过为不同的生物提供栖息地和食物来促进生物多样性。生物多样性受植物影响,植物对生物多样性有积极...
试题来源: 解析 C。文中提到拥有丰富生物多样性的山脉是安第斯山脉 The Andes 。选项 A The Appalachian Mountains 阿巴拉契亚山脉;选项 B The Ural Mountains 乌拉尔山脉;选项 D The Vosges Mountains 孚日山脉,在文中未提及具有丰富的生物多样性。反馈 收藏 ...
We should take actions to protect biodiversity. Which of the following actions is correct? A. take care B. take off C. take part in D. take place 相关知识点: 试题来源: 解析 C。take care 意为“小心,照顾”;take off 意为“起飞,脱下”;take part in 意为“参加”;take place 意为“...