The climate is becoming hotter. How will it influence the coral reefs? A. They will grow larger B. They may bleach and die C. They will become more colorful D. They will move to deeper water 相关知识点: 试题来源: 解析 B。解析:气候变得更热,对于珊瑚礁来说,它们可能会白化然后死亡。A...
( )9. How do people living near the coral reefs make money? A. By serving the visitors. B. By teaching to swim. C. By protecting the coral reefs. D. By selling the coral reefs. 相关知识点: 试题来源: 解析 最终答案: 居住在珊瑚礁附近的人们通过为游客提供服务来赚钱,例如住宿、餐饮...
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...
What Are Coral Reefs? 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 ...
Coral reefs are ocean rock formations, generally in the tropics, that can support diverse ecosystems, usually of shallow water creatures. Sometimes, this ecosystem even extends above the water in the form of an island called a "cay" or "key."...
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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...
Coral reefs are made predominantly of stony corals and supported by the limestone skeleton they excrete. These rainforests of 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 imm...
How many coral reefs will be left by the year 2030? A. One third. B. 20 percent. C. 40 percent. D. 60 percent. 相关知识点: 试题来源: 解析 C 答案:C 解析:推理判断题。从倒数第三段最后一句可知,到2030年60%的珊瑚礁会消失,因此只有40%的能够存活下来。反馈 收藏 ...
Dear Johin,How are you doing these days?We're having a great time here 1 . New Zealand lies to the southeast of Australia. It's a beautiful island.There is so much to see that it is impossible for me to tell you 2. Wellington is a beautiful city. You can see tall trees an d ...