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	Class : 1 Pharaohs of the Sea Learn about photosynthesis in the ocean and a unique symbiotic relationship!		Class : 5 The Twilight Shift Dwellers Learn about the predators that come to the reef at sunset.
	Class : 2 The Great Barrier Reef Learn about how reefs are formed, travel online to the Great Barrier Reef in Australia!		Class : 6 The Night Shift Learn about who rules the reef at night.
	Class : 3 A City That Never Sleeps Learn how coral reefs are like sleepless cities and how niches exist at the reef.		Class 7: Endangered Ocean Animals Find out about endangered ocean species.
	Class : 4 The Day Shift Dwellers Learn about symbiotic relationships and why color and marking are important on the reef		Class 8: The Dying Sea - Coral Reefs in Danger Learn about what you can do to help the coral reefs. Learn what is being done to help coral reefs around the world.