Consistent throughout the entire 1,616 mile Great Barrier Reef formation are coral reefs. What we consider a piece of coral is actually a collection of a several individual coral polyps. Each coral is actually a number of polyps. Coral polyps are living creatures that encase themselves in hard, protective shells made of calcium carbonate. These shells band together forming colonies. The colonies together are known as reefs. Fish also live near the reefs. Within the Great Barrier Reef there are millions of coral featuring a multitude of colors and textures. There are more than 400 species of hard and soft corals living in the Reef.

Which sentence from this paragraph does not support its topic sentence?