根据文中句子“There are three main kinds of coral reefs: fringing reefs, barrier reefs and coral atolls.” 珊瑚礁主要有三种:边缘礁、障壁礁和珊瑚环礁。故答案为Three。 (4)题详解: 问题:珊瑚礁是由什么形成的?“Coral reefs are formed(形成)by tiny animals called coral polyps.” 珊瑚礁是由被称...
There are three type coral reefs. fringing reefs,barrier reefs,and atolls. Fringing reefs sit close to the shoreline at the"fringe"of the land. Barrier reefs have a larger lagoon,or area of water. between the reef and the shore. The largest barrier reef...
根据文中的"There are three main kinds of coralreefs: fringing reefs, barrier reefs and coral atolls."可知珊瑚礁主要有三种。48. Tiny animals ( called coral polyps)./Coral polyps./They're/They are formed by tiny animals calledcoral polyps.根据" Coral reefs are formed by tinyanimals called ...
1931. Coral Reefs and Atolls. Macmillan, London. 181 pp.Gardiner JS (1931) Coral reefs and atolls. Macmillan, New YorkGardiner, J. S., 1931, Coral Reefs and Atolls, Macmillan & Co., London.Gardiner, JS (1931) Coral reefs and atolls. Macmillan, London...
Therearethreemainkindsofcoralreefs:fringingreefs,barrierreefsandcoralatolls.Coralreefsareformed(形成)bytinyanimalscalledcoralpolyps.Whencoralreefsarehealthy,theykeeptheoceanenvironmentbalanced.Butmanythingsthathumansdoaremakingthereefssick.Somereefsareevenstartingtodie.Weshouldprotectcoralreefsandhelpthembecomehealthy...
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because they are home to many ocean plants and animals.They also help keep the sea clean.As wel, they provide(提供) food, jobs and a special place to visit for millions of people all over theworld.There are three main kinds of coral reefs: fringing reefs, barrier reefs and coral atolls...
Barrier reefs(堡礁)grow a bit farther from the land. They form parallel to the shore, separated from it by a deep channel of water. Finally, coral atolls (环礁) are coral reefs that encircle a lagoon (环礁湖).Coral reefs exist all around the world. The biggest one is called the ...
both continental and oceanic islands attract coral growth in the form of fringing reefs, partially submerged platforms of consolidatedlimestone, with coral organisms at the ocean edge feeding on materials carried in by waves and currents. Many islands have been gradually submerged through a combination...
根据文中句子“There are three main kinds of coral reefs: fringing reefs, barrier reefs and coral atolls.” 珊瑚礁主要有三种:边缘礁、障壁礁和珊瑚环礁。故答案为Three。 【4】问题:珊瑚礁是由什么形成的?“Coral reefs are formed(形成)by tiny animals called coral polyps.” 珊瑚礁是由被称为珊瑚...