解析 解析:选C 细节理解题。由第三段中的“This is the result of the corals' symbiotic (共生的), or mutually beneficial, relationship, with algae (藻类) that live in their tissues and give them energy.”可知,珊瑚与藻类共生互利,藻类生活在珊瑚的组织里,并为其提供能量。
What Is Coral? The corals that form reefs aren’t rocks or plants. Corals are made up of groups of tiny animals called polyps (PAH-lips). Most polyps are smaller than a pea. Thousands of polyps can live on a piece of coral. Where Do Corals Live? Coral reefs need certain living condi...
Water chemistry is critical in an aquarium, especially those that contain corals. The most common application in a reef tank is two-part dosing to maintain calcium and alkalinity levels but is also done to maintain the correct ratio of minor and trace elements. Without the right elements in ...
“The Energon Theory“ is the result of decades of intensive research and focuses on the energetic basis of life. After four billion years of evolution, mankind is certainly not the climax of this process. Are technology, economy, culture, etc. really something fundamentally different from animals...
Sorry, one more point. The only thing that is laughable about sunscreens harming coral is that the damage is only caused by one thing –“global warming”. Corals have been bleaching in Hawaii at 3 to 6 degrees Fahrenheit below what is normally seen with global warming. A study just publis...
Corals pass on messages using D A.infrasound B. calls C. dances D. sound waves49.According to the passage, which of the following is TRUE? A A. Some of the sounds can't be heard by humans. B. Elephants can talk with each other using sleep positions. C. Half of the total bats'...
A lot of different kinds of corals and colorful fish C. No living things D. Only whales 相关知识点: 试题来源: 解析 B。解析:选项A说只能找到大鱼是错误的,大堡礁有各种各样的生物。选项B说有很多不同种类的珊瑚和彩色的鱼是正确的,这符合大堡礁的特点。选项C说没有生物是完全错误的。选项D说只能...
Corals come in all shapes and sizes, but the basic plan is the same, polyps live as a surface layer on some sort of structure, be it hard and inflexible or rubbery. The hard, or true corals, for which reefs are most famous, build limestone skeletons beneath the living tissue. Soft cor...
How is IELTS Reading Band Score Calculated Haniya Yashfeen How to Improve IELTS Reading Score from 5 to 7 in 30 Days? Haniya Yashfeen Band Score for 25 Correct Answers in IELTS Reading Haniya Yashfeen Band Score for 26 Correct Answers in IELTS Reading ...
Members of the phylum Cnidaria include jellyfish, hydra, corals, and sea anemones. These organisms can exist either as sessily polyploids, which are...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...