Patterns in Nature: Coral Similar to all corals, sea fans, such as this one in the Turks and Caicos Islands, are made up of tiny animals called polyps.

• 意译：珊瑚在自然界的模式。所有类似的珊瑚，海扇，像这样一个在特克斯和凯科斯群岛，是由微小的动物称为息肉。