Great Barrier Reef

Do sponges live on the Great Barrier Reef ?

• Yes, they do

• No, they don't

When did the European exploration of the reef begin ?

• in 1700

• in 1770

• in 1800

How long is the Great Barrier Reef in km.

From 1985 to 2012, the Great Barrier Reef's coral fell by nearly :

• 40 percent

• 50 percent

• 60 percent

• 70 percent

The reef has been formed over millions of years from ...

• sand

• prawns

• the waste of living marine organisms

Is it true that corals cannot exist where average temperatures fall below 21°C ?

• Yes, it is

• No, it isn't

With a crystal-clear water, at what distance are submarine elements clearly visible ?

• 10 meters

• 30 meters

• 50 meters

• 70 meters

The Great Barrier Reef is a ... attraction

Alongside which state's coast is the Great Barrier Reef located ?

• New South Wales

• Northern Territory

• Queensland

• Tasmania

Which animals live on or near the Great Barrier Reef ?

• Snails

• Lobsters

• Crayfish

• Jellyfish

• Whales