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 conditions to stay he...
Corals are marine invertebrates forming large, colorful colonies with a hard skeleton, while sponges are simple, porous animals that filter feed, lacking true tissues or organs.
Decor that is made from coral or that uses coral in its original form is quite common. Some corals are low and bunched, forming almost a round cluster, and some are quite long and slender. Due to the wide variety, coral can appeal to many different aesthetic tastes, traditional, modern, ...
What do we know about corals? A. They do great harm to the polyps. B. They provide shelter for many sea creatures. C. They are members of the plant family. D. They usually move freely in the water. 相关知识点: 试题来源:
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 corals...
87:6684 What are corals?: Williams, G.C., 1986. Sagittarius, 1(2):11–15doi:10.1016/0198-0254(87)91147-2SDOSDeep Sea Research Part B. Oceanographic Literature Review
View Solution (a) How would you differentiate primary productivity from seondary productivity ? (b) Why is productivity maximum in the coral reefs? View Solution Write a note on coral reefs. View Solution Corals are View Solution Corals are View Solution ...
Coral reefs are defined as an underwater ecosystem that is formed of hundreds of colonies of tiny individual corals known as polyps that are held...Become a member and unlock all Study Answers Start today. Try it now Create an account ...
Corals(珊瑚 A. They turn calcium into stones.虫), which live in the warm parts of the Earth's oceans, are probably the biggest builders on the planet. Coral polyps turn B. They can be found in cold waters.calcium(钙) from seawater into a kind of hard stone. Slowly,they build up a...
Reefs, on the other hand, are large underwater structures composed of the skeletal remains of corals and other calcifying organisms, forming complex and diverse ecosystems that support a wide range of marine life. 14 While coral polyps are the living components that secrete calcium carbonate to ...