Before learning how reefs form, it's helpful to define a reef. Acoral reef is made up of animals calledstony corals. The stony corals are made up of tiny, soft colonial organisms called polyps. Polyps look a lot like a sea anemone, as they are related to these animals. They are inver...
Coral reefs are also known to form near volcanic islands. At the point of the volcano’s imminent death, it sinks, whereas the coral reefs that have been growing on the surface remain exposed, often in a full or partial ring. In between the sinking island and the reef, a lagoon forms,...
A. Through the growth of seaweed B. Through the accumulation of sand C. Through the activities of small animals D. Through the secretion of coral polyps 相关知识点: 试题来源: 解析 D。珊瑚礁是由珊瑚虫分泌的物质形成的,选项 D 符合。选项 A 海草的生长与珊瑚礁的形成无关;选项 B 沙子的堆积不...
Diving in the ocean,marine biologist Erika Woolsey has seen how coral reefs (珊瑚礁) are being damaged by climate change.It has made her decide to find a way to share her experience —including those who can't easily explore the ocean.Through her non-profit,The Hydrous,Woolsey is using ...
Diving in the ocean, marine biologist Erika Woolsey has seen how coral reefs (珊瑚礁) are being damaged by climate change. It has made her decide to find a way to share her experience —including those who can’t easily explore the ocean.Through her non-profit, The Hydrous, Woolsey is ...
Did you know that coral in the sea will die if peoplecut down (at down) more rainforests? It happens like this. If people___(cut down) more rainforests, theworld's temperature___.(rise)If the temperature of the water___(go up) too, the small animals and plants that live in the...
D.Coral Reefs Rely Heavily on Fish答案(1)词义猜测题。根据划线词前所在的句子Coral reefs(珊瑚礁)are full of varieties of sea life,including fish.Some fish are more attractive to humans than others,and their semblance could be influencing how we decide which species to protect.(...
How are coral reefs formed? How does coral bleaching affect the Great Barrier Reef? How do coral reefs assist in beach erosion? How does salinity affect ocean acidification? How are reefs beneficial to marine organisms? How do changes in salinity affect marine organisms?
Environment byScott Dutfield·01/08/2020 Corals are team players, collaborating to build the largest living structures on Earth Image source: Pixabay Covering just 0.1 per cent of the world’s surface, coral reefs are home to around 25 per cent of all the species in the ocean. These seeming...
Coral reefs are made predominantly of stony corals and supported by the limestone skeleton they excrete. Theserainforestsof the sea are home to a quarter of all marine fish species [source: Nature Conservancy]. In addition to the variety of marine life they support, coral reefs are also immense...