The Great Barrier Reef, situated along the northeastern coast of Australia, is a marine ecosystem unrivaled by any other in the world. Renowned for its natural, unchanged beauty, it is visited by millions of tourists every year. Take this quiz to learn more about this natural aquatic wonderland.
How many islands are in the Great Barrier Reef?
Who made the first recorded "discovery" of the Great Barrier Reef?
Captain James Cook
Captain William Bligh
What does the Great Barrier Reef contain that makes it a popular site for millions of tourists every year?
spectacular coral reefs
magnificent whale populations
fantastic shipwreck artifacts
The structure of the current reef is thought to be growing on top of:
the island of Atlantis
What separates a barrier reef from coastal land?
a wide, deep lagoon
Like barrier reefs, _____ reefs also lie parallel to coastlines.
What do platform and patch reefs often grow on top of?
In which of the three major sections of the Great Barrier Reef are ribbon reefs in abundance?
The more south you head from the Great Barrier Reef, the more the shelf narrows and the reefs disappear. Why doesn't coral grow in these parts?
because the low temperature is unsuited to coral growth
because there is too much water pollution in these areas
because it keeps getting eaten away by predatory schools of fish
Aside from reefs, the Great Barrier Reef is also host to low-lying coral or sand islands. What are they called?
There are 4,000 types in the Great Barrier Reef. What am I?
whale or dolphin
How big can giant clams be in the reef?
up to 2 feet (0.6 meters)
up to 4 feet (1.2 meters)
up to 8 feet (2.4 meters)
Is it true that some of the reef's species of sea snakes have stronger venom than the most poisonous land snakes?
Yes, even 20 times more poisonous.
No, land snakes are more poisonous.
Yes, they can be four times as poisonous.
What is one of the biggest threats to the coral colonies?
the blue-ringed octopus
the crown-of-thorns starfish
How long does it take for a coral reef to regenerate after being destroyed by a crown-of-thorns starfish?
Which Australian body is charged with protecting the Reef?
the Australian Society for the Protection of the Great Barrier Reef
the Great Barrier Reef Marine Park Authority
the Great Barrier Reef Association of Marine Life Protectors
What activities are permitted in the marine park's general use zones?
swimming and diving only
boating and fishing only
fishing, boating and swimming
Who is forbidden from entering scientific research zones?
the general public
neither of the above
About one third of the marine park is protected by a "no-take" clause. What does this mean?
One cannot take food, drink or animals to such an area.
One cannot take any pictures there.
One cannot take anything from there, shells and fish included.
What pharmaceutical use are scientists researching using the coral species in the reef?
They are trying to develop a sunscreen using a part of the coral.
They are trying to develop a cure for eczema using a part of the coral.
They are trying to develop a burns treatment using a part of the coral.