Blog #1

1. The Great Barrier Reef is considered the "largest living thing on earth"
2. Coral takes the calcium carbonate from the water to make tentacles.
3. Red algae acts like glue to keep the shells and sand together with the calcium carbonate.
4. The Great Barrier Reef became a national park in 1975.
5. Only about 33% of the Reef is protected from fishing.
6. Scientists believe that the ancient reef is about half a million years old but the current reef is only about 20,000.