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  1. Coral reefs

    Posted Jun 08th 2011, 12:00am

    ... Compiled by Diane Anderson About coral Coral heads are made up of many small animals called polyps. These animals live in shells. They can be as small as the head of a pin, or as wide as 30cm. Food Corals need sunlight to make food. They only live as far ...

    http://www.scmp.com/article/969959/coral-reefs

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