How are coral reefs formed? Coral Reefs: 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." ...
You arescuba divingalong one of the many coral reefs scattered throughout the equatorial seas, glimpsing the multitude of life that this largest of living structures supports. Your underwater view, however, may be limited. Seventy percent of coral reefs may be gone in less than 40 years if ...
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...
So, the water___(not get) enough food, and then it will go up into the air. If the coral is___ (go) different kinds of fish___ (be) in danger of dying too. So, as you can see, one natural disaster often causes another one. 相关知识点: 试题来源: 解析 1. cut down 2. wi...
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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.(...
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 ...
Mora C, Andrefouet S, Costello MJ, Kranenburg C, Rollo A, Veron J, Gaston KJ, Myers RA (2006b) How protected are coral reefs? Response. Science 314:757-760Ricciardi A, Jameson SC, McManus E, Besancon C, Johnson T, Spalding M, et al. How protected are coral reefs? Science 2006;...
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...