解析 C。解析:珊瑚礁中的微小生物主要通过与藻类的共生关系获取能量。藻类进行光合作用,为珊瑚礁提供能量,珊瑚礁为藻类提供生存的场所等。选项A,这些微小生物不会通过吃大鱼获取能量;选项B,不是从沙子中吸收营养;选项D,不是直接从海水中获取能量。反馈 收藏 ...
Coral reef systems, which areacutelysensitive to changes in temperature and the pH of the water, are already sufferingbleaching events and will increasingly “flicker out” with each a fraction of a degree rise. 珊瑚礁...
A coral reef is a term used to describe the collective structure of hard corals that help shape a coral reef ecosystem. “A coral reef is a reef whose main structure is made by living organisms, in this case corals,” said Torres-Pérez. “A coral reef will always be a reef, but not...
Coral reefs are a marine ecosystem mainly found near the equator because of its warm temperature and high amount of sunlight. This ecosystem comprises of many coral colonies (i.e., collection of coral, a marine invertebrate related to sea anemone). Estimated hosting more than 1 million species...
The attractive paradigm of the reef as a self-sufficient ecosystem is dying slowly as research focus shifts from atolls to more open fringing and bank barrier reefs, and organic inputs to system production are measured. Coral reefs contribute little in a net sense to global ecosystem processes,...
Coral reefs are one of the planet's most important ecosystem. Reefs cover less than 1 percent of the Earth's surface, but they're home to about one-quarter of all marine species. People who live in communities near reefs depend on them for food and to attract tourists. Reefs worldwide ...
A coral reef is a highly productive and dynamic ecosystem. Like a tropical rainforest, they are made up of and provide support for a large portion of the world's biodiversity although they are primarily characterized by reef-building corals....
A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate.
The Great Barrier Reef is made of coral, a colorful rock-like substance actually composed of many small marine animals, each one less than half a centimeter in size. Coral grows in colonies that can reach over a meter and a half in height, and several of these colonies grow in close pro...
The Great Barrier Reef is famous for its colorful coral and diverse marine life. People can go there for snorkeling and diving. Which country is the Great Barrier Reef located in? A. Australia B. Canada C. Japan D. Germany 相关知识点: ...