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Coral Reefs
Quiz
Can you answer all of the following questions and get a perfect score? Click on the links that you think best answer each quiz question below. Good luck!
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Coral reefs cover how much of the Earth's surface?
Less than 1% | Correct
Although coral reefs cover less than 1% of the Earth’s surface, they are home to 25% of all marine fish species.
5% | Incorrect
12% | Incorrect
50% | Incorrect
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Coral reefs have been used in the treatment of which disease?
HIV | Incorrect
Cancer | Incorrect
Cardiovascular disease | Incorrect
All of the above | Correct
Coral reefs have been used in the treatment of cancer, HIV, cardiovascular diseases and ulcers.
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How much do coral reefs contribute to the world’s economy each year?
USD $3.75 | Incorrect
USD $375,000 | Incorrect
USD $3.75 million | Incorrect
USD $375 billion | Correct
It is estimated that coral reefs provide $375 billion per year around the world in goods and services. 500 million people rely on coral reefs for their food and livelihoods.
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What is a major threat to coral reefs?
Man-eating sharks | Incorrect
Global climate change | Correct
As ocean temperatures increase as a result of climate change, many coral reefs are falling victim to a phenomenon known as bleaching. This causes corals to expel the colorful algae that live within them and will ultimately lead to the death of the corals if the algae don't return.
Pirates | Incorrect
Asteroids | Incorrect
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We are in danger of losing what percentage of the world's coral in the next 50 years?
6% | Incorrect
55% | Incorrect
70% | Correct
If the present rate of destruction continues, 70% of the world's coral reefs will be destroyed by the year 2050.
100% | Incorrect
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Which of the following are coral species?
Bubble | Incorrect
Staghorn | Incorrect
Starburst | Incorrect
All of the above | Correct
They may be funny names, but it's true!
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Which of the following species depend on tropical coral reefs?
Orangutans | Incorrect
Dwarf wedgemussels | Incorrect
Whale sharks | Correct
Learn more about whale sharks
None of the above | Incorrect
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True or false: Coral reefs are the largest living structure on Earth.
True | Correct
Coral reefs are the largest living structure on the planet and are among the oldest ecosystems on Earth.
False | Incorrect
| Incorrect
| Incorrect
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Because of their amazing diversity of life, coral reefs are often referred to as:
The ocean's cupboard | Incorrect
Rainforests of the sea | Correct
Like rainforests, coral reefs support a tremendous amount of biodiversity, home to 25% of all marine fish species.
Poseidon's cornucopia | Incorrect
The Sahara of the sea | Incorrect
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True or false: Coral reefs are doomed – we should give up all hope of protecting them.
True | Incorrect
False | Correct
With your help, The Nature Conservancy is protecting the world's coral reefs and all the corals, fish and people that depend on them. Adopt a Coral Reef
| Incorrect
| Incorrect
Scoring
0-2 correct: Coral reef novice
3-5 correct: Coral apprentice
6-8 correct: Reef ranger
9-10 correct: Coral conservationist
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Adopt a Coral Reef
You can help protect the world's most beautiful and diverse places. Adopt a Coral Reef today.