11.Coral
A coral "head" is a colony of myriad genetically
identical polyps. Each polyp is a spineless animal typically only a few millimeters
in diameter and a few centimeters in length. Can you imagine how much time it
has got to develop a coral like this? This is the world under the water. It’s
also like the world on the land. There are corals, water plants and
multi-colour beautiful fish. Everywhere is beautiful blue water. This is such a
beautiful world. But if the heat of water changed a little bit, the whole
colony will be dead. That’s why we must protect the corals. They are a
beautiful and amazing in the world.
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