Share Time Zones 4 Unit 6 Reading Comprehension Question...
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What are coral polyps?
Coral polyps are small creatures that build coral reefs.
How do coral polyps build reefs?
They use calcium from seawater to build hard skeletons.
What is the Great Barrier Reef?
It is the largest coral reef in the world, located in Australia.
Why are coral reefs called underwater cities?
Because they are home to a vast array of marine life.
How do humans benefit from coral reefs?
They provide food, jobs, protect coastlines, and are a source for new medicines.
What is causing coral reefs to die?
Overfishing, pollution, and climate change.
What is coral bleaching?
When corals lose their color due to stress, often caused by warmer water temperatures.
What can be done to save coral reefs?
Creating marine protected areas, limiting fishing, and reducing pollution.
What is the role of calcium in coral reef formation?
Coral polyps use calcium to build their hard skeletons.
How do coral reefs protect coastlines?
The corals slow down waves and prevent erosion.
What are some threats to coral reefs?
Overfishing, pollution, climate change, and damage from divers.
What is the significance of coral reefs for medicine?
Chemicals from reef creatures are used to create new medicines.
How does pollution affect coral reefs?
It can lead to the growth of harmful algae and harm the reefs.
What is the relationship between global warming and coral bleaching?
Warmer water temperatures cause coral bleaching.
What are marine protected areas?
Areas where fishing is limited or banned to protect marine life.
What is the difference between polyps and reefs?
Polyps are individual creatures, while reefs are large structures built by many polyps.
