The Crown of Thorns starfish棘冠海星1]Every year, over a million tourists visit the Great Barrier Reef, off the coast of north-eastern Australi a.2The Great Barrier Reef is not one reef, but a long group3of 2,900 reefs of living coral and 900 islands. It is 2,600kilometers from nor...
Paragraph 1:The crown of thorns starfish, Acanthaster Tlanci, is large, twenty-five to thirty-five centimeters in diameter, and has seven to twenty-one arms that are covered in spines. It feeds primarily on coral and is found from the Indian Ocean to the west coast of Central America, us...
托福阅读真题第223篇Crown of Thorns Starfish and Coral Reefs Crown of Thorns Starfish and Coral Reefs Paragraph 1:The crown of thorns starfish, Acanthaster Tlanci, is large, twenty-five to thirty-five centimeters in diameter, and has seven to twenty-one arms that are covered in spines. It fe...
2023年10月27日 21:13 Crown-of-thorns Starfish Populations A. planci, commonly known as the crown-the-of- starfish, is large sea star that lives in tropical zones of the Red Sea, the Indian Ocean, and the Pacific Ocean. Covered with long. sharp spines that contain a neurotoxin that caus...
0 5The crown-of-thorns starfish(COTS) is one of the main causes of the decline of the world's coral reefs Marine biologists used a choice chamber to investigate the effects of flashing and constant light on the behaviour of COTS.Table 1 shows their results as they presented them. The P...
C. Crown of thorns starfish normally live in high population densities. D. Crown of thorns starfish have caused a significant reduction in coral cover over large areas. 你的答案: 正确答案:C 题目解析: 登录 后才能查看题目解析,还没有账号? 马上注册 推荐文章: 【托福阅读】Official 45-P2 风媒传...
Paragraph 1:The crown of thorns starfish, Acanthaster Tlanci, is large, twenty-five to thirty-five centimeters in diameter, and has seven to twenty-one arms that are covered in spines. It feeds primarily on coral and is found from the Indian Ocean to the west coast of Central America, us...
than on its predators or competitors. Alternatively, nitrogen and other nutrients may be boosting the plankton upon which starfish larvae feed. But this theory also has its weak points. Why, for instance, is the crown-of-thorns starfish the only reef resident experiencing such dramatic outbreaks?
B. Crown of thorns starfish's main food is coral. C. Crown of thorns starfish normally live in high population densities. D. Crown of thorns starfish have caused a significant reduction in coral cover over large areas. 你的答案: 正确答案:C ...
题目:Crown of Thorns Starfish and Coral Reefs 内容回忆:写的是关于珊瑚礁的问题,分析海星对于珊瑚岛威胁。starfish可以对珊瑚礁造成很严重的伤害(有题),一只吃一大片珊瑚礁,但是对于starfish可以在珊瑚礁上大量繁殖的动机有很多说法,但是至今应该还没有确定。有自然环境的原因,暴风雨和人为原因。人类污染或炸药捕捞...