Input (grade 10): The Great Barrier Reef World Heritage Area has been divided into 70 bioregions, of which 30 are reef bioregions, and 40 are non-reef bioregions.
Output (grade 6): The Great Barrier Reef World Heritage Area has been divided into 70 different areas. These are called bioregions. There are 30 reef bioregions, and 40 are non-reef bioregions.