• Yes, coral reefs are very good ecosystems.

    Reefs provide food for many types of fish which, in turn, provide food for others. The reef also acts as a very good filter by absorbing bacteria from the surrounding waters. By acting as a barrier, reefs also serve to protect coastlines from storm damage. Also, they are major tourist attractions.

  • Temperatures Change, Animals Migrate

    As sea temperatures change and the coral reefs' largest predators (sharks) migrate to other food sources, a reef system will change dramatically within a short time. Huge reef systems that took hundreds of years to form may shrink or disappear within decades. Reefs are as volatile as the seas themselves and are hardly a stable ecosystem.

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