What are coral reefs? A. Home to only a few species of fish. B. Ugly and not diverse. C. One of the most beautiful and diverse parts of the marine ecosystem. D. Not important for the E. cosystem. 相关知识点: 试题来源: 解析 C。解析:“Coral reefs are one of the most beautiful...
题目What are coral reefs? A. Just beautiful things. B. Only important for coastlines. C. Beautiful and extremely important. D. Useless for the planet. 相关知识点: 试题来源: 解析 C。解析:文章中提到珊瑚礁不仅美丽而且极其重要,它们为无数物种提供栖息地并保护海岸线免受侵蚀。
Coral reefs are underwater structures that act as an aquatic ecosystem and help protect coastal areas from erosion. Discover facts about coral reefs types, as well as their importance and conservation efforts. Definition Big cities are teeming with life. There is a wide variety of people to me...
What are coral reefs ? 01:50 Give the total vertical extent of biosphere in kilometres. 02:21 What materials the various subdivisions of the biosphere supply to the... 02:09 How do the gaseous and sedimentary biogeocycles differ ? 02:03 Whatt is greenhouse effect? 01:30 How is the gree...
Corals are found all over the world's oceans, from the Aleutian Islands off the coast of Alaska to the warm tropical waters of the Caribbean Sea. The biggest coral reefs are found in the clear, shallow waters of the tropics and subtropics. The largest of these coral reef systems, theGreat...
C. The shells of fish. D. The rocks in the ocean. 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“Coral reefs are formed by the accumulation of the hard skeletons of tiny sea creatures called polyps.”,即珊瑚礁是由微小的海洋生物——珊瑚虫的坚硬骨骼堆积而成。反馈 收藏 ...
B. Tiny coral polyps. C. Sea turtles. D. Divers. 相关知识点: 试题来源: 解析 B。中文解析:文章中明确提到“The coral reefs themselves are like underwater cities, built by tiny coral polyps over a very long time.”,所以珊瑚礁是由珊瑚虫建造的,故选B。
What are coral reefs? Under the Ocean: The oceans of the world are filled with an amazing diversity of geographic features and wildlife. There are mountains and valleys, volcanoes and plateaus and deep trenches that still remained unexplored. There are also creatures great and small, from wha...
What are coral reefs made out of? Coral Reefs: Coral reefs are one of the busiest underwater ecosystems. Many fish come to the coral reefs to feed and many people go diving at coral reefs for the views. And scientists are continually studying them. ...
What are three steps that governments and private interests could take to protect the world's remaining coral reefs? Explain how corals will negatively be impacted through the addition of anthropogenic CO2 into the ocean. Several international monito...