Time Zones 4 - Unit 6 - Reading | Baamboozle - Baamboozle

English 16 Public

Cities in the sea

Study Slideshow

What are coral polyps?

Coral polyps are small creatures that build coral reefs.

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Where is the Great Barrier Reef?

In Australia.

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Why are coral reefs called underwater cities?

Because 25% of all ocean species life in and on the coral reefs.

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How do humans benefit from coral reefs?

They provide food, jobs, protect coastlines, and are a source for new medicines.

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What is the cause of coral bleaching?

Global warming (warmer ocean temperatures)

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What is coral bleaching?

It's when a coral turns white.

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What can be done to save coral reefs?

All of the other options.

Ban or limit fishing fishing.

Create marine protected areas.

Reduce pollution.

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Why do polyps use calcium?

They use it to build a hard limestone skeleton.

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How do coral reefs protect the coast?

They slow down waves and prevent erosion on the beaches.

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What are some threats to coral reefs?

Overfishing, pollution, climate change, and damage from divers.

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What are the chemicals from reef creatures used for?

They are used to make medicine.

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What does the text say about algae in coral reefs?

They are good for the coral reefs.

both

They harm the coral reefs.

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What will happen in the future if we don't take good care of the coral reefs?

Many experts believe that all coral reefs could be gone by 2050.

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What does the word "remains" in the text refer to?

It refers to the dead skeletons of old polyps where young polyps make new skeletons on.

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How big is the great barrier reef?

150.000 square kilometer

250.000 square kilometer

450.000 square kilometer

350.000 square kilometer

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How much of the world's coral reefs is already dead?

30%

50%

10%

20%

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