C。解析:文中提到“Protecting desert ecosystems is important for several reasons. Deserts are important habitats for many species of plants and animals. They also play a role in regulating the Earth's climate and providing ecosystem services such as water filtration and soil stabilization.”,保护沙漠...
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A. Providing food for humans. B. Producing oxygen. C. Providing habitats for rare species and regulating the climate. D. Generating E. lectricity. 相关知识点: 试题来源: 解析 C。中文解析:沙漠生态系统的生态意义在于为许多珍稀物种提供栖息地以及在调节气候方面发挥作用。反馈 收藏 ...
[英语晨听 Top NBC News] 精制中英字幕20221019 - What Is an Ecosystem? 04:59 [英语晨听 Top NBC News] 精制中英字幕20221008 - What Makes Volcanoes Erupt? 04:59 Pop_Quiz [EN晨听NBC News]20221119 - True or False: 南极洲 Antarctica is a Desert 01:48 [英语晨听 Top NBC News] 精制...
What is a coral reef ecosystem? 92019-01 2 What is a rain forest ecosystem like ? 102019-01 3 What is a desert ecosystem? 82019-01 4 What is a coral reef ecosystem 92019-01 5 What isa coral reef ecosystem 262018-12 6 What is a coral reef ecosystem 82018-12 7 Life in a desert ...
1. A desert is a type of ecosystem characterized by very low precipitation, typically less than 250 millimeters per year. 2. Deserts are mainly divided into two types: tropical deserts and cold deserts. 3. The Arabian Desert is located in the continent of Asia. 4. A type of plant that ...
A. The number of scorpions will double immediately. B. The number of scorpions will decrease. C. The number of scorpions will first increase and then decrease. D. The number of scorpions will first decrease and then increase. 相关知识点: 试题...
D. Protect it so that plants and animals can live there. 相关知识点: 试题来源: 解析 D。中文解析:我们应该保护沙漠生态系统,这样动植物才能继续在那里生存。A 选项砍倒所有的植物、B 选项杀死所有的动物、C 选项到处扔垃圾都是破坏沙漠生态系统的行为。
What human activities can damage the desert ecosystem? A. Planting trees. B. Building dams. C. Overgrazing and mining. D. Fishing. 相关知识点: 试题来源: 解析 C。中文解析:过度放牧和采矿等人类活动会破坏沙漠生态系统的微妙平衡。反馈 收藏 ...
Sand dunes are a common feature, and the ecosystem is unique, with species that have adapted to survive in these harsh conditions. 沙漠是一个极端的环境,以其干旱和炎热著称。植被稀少,水源匮乏。昼夜温差极大,白天酷热,夜晚寒冷。沙丘遍布,生态系统独特,生物适应性强。