The Great Barrier reef is a colorful and active underwater structure.
The Great Barrier Reef is home to endangered sea turtles.
The Great Barrier Reef is threatened by vacationers.
The Great Barrier Reef is a producer of small islands and landmasses.
The Great Barrier Reef is the cause of much beachfront erosion in Northeastern Australia.
Dispel the argument that coral is a plant, not an animal
Explain in detail how the Great Barrier Reef is constructed
Alert the reader to a premier vacation destination in the tropics
recommend that tourists stop stealing coral off the Great Barrier Reef.
Inform the reader that coral reefs are a threatened, yet broadly functioning ecosystem
Erosion and putrefaction
Rising water temperatures