Soft corals like sea whips don't produce a limestone framework to live in and look like brightly colored plants. They have a tentacle and can triple their size in a year. 1. Great Barrier Reef is the Australia's largest coral system. 2. Great Barrier Reef is one of the two living structures which can be seen from space. 3. Great Barrier Reef is made by large sea creatures. 4. The Great Barrier Reef covers less than 100,000 square miles. 5. There are about 2,900 islands making up Great Barrier Reef. 6. Soft corals like sea whips can produce a limestone framework. Exercise 6: Read again and answer the questions. 1. What is the Great Barrier Reef like? 2. Where is the Great Barrier Reef located?