What used to be the purpose of the Great Barrier Reef?

The Great Barrier Reef, formed over millions of years, serves several vital ecological purposes. Primarily, it provides a habitat for a diverse range of marine life, supporting thousands of species, including fish, corals, and sea turtles. Additionally, it acts as a natural barrier, protecting Coastlines from erosion and storm surges. The reef also plays a crucial role in nutrient cycling and carbon storage, contributing to the overall health of marine ecosystems.