Coral is considered the most important ecosystems in the sea. They include many species and represent most of the groups of marine animals. They store more evidence so that we can understand the plant and animal populations develop how and what functions, as well as they can have potential value in the future. The complexity of the process of formation, the differences in shape, colour and State of the creatures made reef there rare beauty and attractive to humans. Reef is the inspiration and subjects for the underwater photographer and of scientists. Reef is also the source of greater service for travel and entertainment and is considered a modern cultural values. They also contribute to the protection of marine ecosystems and the other animals. However, coral reef ecosystems are standing before serious threats. Specifically, it is the pollution, human activities, and global warming. If the destruction increases the current pace, the world's coral reefs will disappear within the next 50 years.
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