At first glance, you may think that coral reefs are made up of rocks, but they are actually live organisms. These organisms are tiny little animals called polyps. Corals are sea animals that stay in one place throughout their adult lives. Some types produce a skeleton, also called coral, that remains in place after they die. There are many different kinds of coral that live in the ocean. Come learn about coral, whether it's a plant or an animal, how it gets its food.
Corals are among the most important animals in the ocean. The living part of a coral is made up of tiny creatures called polyps, which are relatives of sea. Corals are formed by small animals, the polyps of the phylum Cnidaria. together building skeletons around themselves, large coral formations are made. Coral reef facts for kids. Kids Encyclopedia Facts . Various efforts are being made to grow coral reefs and coral, a difficult task; they are fragile, react to small .
A group of tiny organisms called coral polyps dies. later — that limestone floor has grown to support the world's largest structure made by living organisms.