Log in to GEO and try this 13-question A level quiz to see how much you know about the geography of coral reefs.

If you haven't already done it work through the 'Why are coral reefs valuable?' web unit to learn more. Or look at it again to help fill in any gaps in your knowledge about about the location and biodiversity of coral reefs, their value to us and the environment and threats affecting global reefs today

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HIGH SCORES

Rank Name Score
1st TWG 26
2nd GJA 24
3rd HSG 24
4th TWG 22
5th DGA 20
6th TBT 16
7th ### ###
8th ### ###
9th ### ###
10th ### ###

QUIZZES // Why are coral reefs valuable? Quiz

Q1. Where are most coral reefs located globally?

on the equator

in deep oceans

South East Asia

between 30° north and south of the equator

Q2. Coral reefs grow faster in waters around which temperature?

20°C

over 30°C

25°C

35°C

Q3. Where is the world’s largest global coral reef found?

Indonesia

Cayman Islands

Australia

Philippines

Q4. Coral reefs are structures built up of individual:

fish

polyps

algae

skeletons

Q5. Zooxanthellae are important algae found within polyps as they do which two of these things:

allow photosynthesis to make food

defend polyps from predators

eat parts of the coral structures

provide shelter for the algae

Q6. Which type of reef is formed around a central lagoon?

fringing reef

atoll reef

barrier reef

patch reef

Q7. Which of these are reasons why corals are valuable?

they provide a fishing industry

they provide shelter to land from tropical storms

they are home to a quarter of all global marine life

all of the above

Q8. Which of the following are direct human threats to coral reefs?

intensive farming, industrial production and tourism

tourism, mangrove removal and rising sea levels

overfishing, tourism and ocean acidification

sea level rise, overfishing and tourism

Q9. Which of the following management responses is a local response?

Marine Protected Areas

no wake zones

laws on tourism

sustainable maximum yields for fishing

Q10. How is climate change affecting coral reefs?

ocean acidification

eustatic sea level change

coral bleaching – where algae is expelled

all of the above

Q11. What is the best solution to managing damage to coral reefs globally?

national projects

local education programmes

international organisations

a mix of national projects, education programmes and international organisations such as the UN

Q12. Coral reefs are large-scale ecosystems; choose the correct definition:

a system in which animals and organisms interact with each other and the environment

where fish and sunlight and ocean depth and anemones live symbiotically

the interaction between abiotic aspects that live symbiotically in harmony

marine systems where there are inputs, flows, stores and outputs

Q13. When asked to analyse a graph/table or map – which acronym helps best achieve a higher-level answer?

PATTERN

PADDLE

PADL

PADI

Finished!

You scored this time. The more correct answers you give, and the fewer incorrect answers you guess, the better your score.

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