What is the role of fungi in an ecosystem? A. They are only harmful to plants B. They are mainly producers C. They are decomposers D. They are top predators 相关知识点: 试题来源: 解析 C。解析:真菌在生态系统中的角色是分解者。真菌能够分解动植物的遗体、残骸等有机物,将复杂的有机物分解...
A. To provide food for animals. B. To provide shelter for animals. C. To maintain the balance of nature. D. All of the above. 相关知识点: 试题来源: 解析 D。解析:植物在生态系统中的作用包括为动物提供食物和庇护所,以及维持自然平衡。反馈 收藏 ...
A. They are the primary pollinators of many plants. B. They are responsible for the spread of diseases. C. They compete with other insects for food. D. They are a major food source for other animals. 相关知识点: 试题来源: 解析 D 反馈...
A. They are predators of large animals. B. They are scavengers of the forest. C. They are pollinators of plants. D. They are builders of habitats. 相关知识点: 试题来源: 解析 B。解析:文章中明确提到 Pangolins are known as the "scavengers of the forest".(穿山甲被称为“森林的清道夫”。
What role do forests play in the ecosystem? A. They cause climate change. B. They have no role. C. They provide habitats and regulate the climate. D. They increase soil E. rosion. 相关知识点: 试题来源: 解析 C。中文解析:森林在生态系统中起着至关重要的作用,它们为无数的动植物提供栖息...
D. They cause climate change. 相关知识点: 试题来源: 解析 C。解析:文章中明确提到“Trees play a crucial role in maintaining the balance of the ecosystem. They absorb carbon dioxide and release oxygen, helping to regulate the climate.”。 反馈 收藏 ...
D. They have no role in the E. cosystem. 相关知识点: 试题来源: 解析 C。解析:“Trees play a crucial role in maintaining the balance of the ecosystem. They absorb carbon dioxide and release oxygen.”,树木在生态系统中吸收二氧化碳并释放氧气。反馈 收藏 ...
A. To provide food for animals. B. To pollinate plants. C. To break down dead organisms and return nutrients to the soil. D. To convert sunlight into E. nergy. 相关知识点: 试题来源: 解析 C。解析:分解者的作用是分解死亡的生物体并将营养物质返回土壤,所以答案是 C。反馈...
What kind of role does a mosquito play in the ecosystem? A. A producer B. A primary consumer C. A parasite D. A decomposer 相关知识点: 试题来源: 解析 C。解析:蚊子在生态系统中的角色主要是寄生虫。它吸食其他动物的血液来获取营养,而不是像生产者那样制造食物,也不是以植物为食的初级消费者...
What is the role of decomposers in an ecosystem? A. To produce food B. To consume other organisms C. To break down dead organisms D. To compete with producers 相关知识点: 试题来源: 解析 C。分解者的作用是分解死亡的生物体,将有机物转化为无机物,供生产者再次利用。A 是生产者的作用;B 是...