Read the text and find the right word to fill each space (1-8). The first one (0) is an example.

Fill in all the gaps, then press "Check" to check your answers.
The Great Barrier Reef can only 0. ______C________ described as one of the wonders of the natural world.
It is over 2,000 km long and it is the 1. collection of corals on Earth (over 400 types). The
Reef is delicate and fragile but it protects 1,500 species of fish and 4,000 types of mollusc 2.
live in a lagoon formed by the reef 3. the ocean and the shore. Inhabitants of the Great
Barrier Reef include jellyfish, starfish, crustaceans, turtles, sea snakes, the dugong (“sea cow”) and the
large green turtle.
No wonder it is one 4. the jewels in Australia’s crown and a UNESCO World Heritage Site.
Sadly, pollution and climate change are all threats 5. this fragile ecosystem. Sometimes
tourists damage the Reef with the anchors of their boats. Others break off a piece of coral to take home
6. souvenir. When coral suffers, it becomes white. 7. it suffers for too long
it can die putting the animals it protects in danger too.
8. work is being done to help the Great Barrier Reef survive.