Unit 2 Week 3: Coral Reefs

What is the photographer's purpose for taking pictures of the coral reef?

• To sell the photos to a magazine

• To raise awareness about the importance of coral reefs

• To document the different species of fish in the reef

• To practice her photography skills

What is the relationship between coral and algae in a reef ecosystem?

• Coral provides algae with a home and carbon dioxide, while algae provide coral with food

• Coral and algae compete for resources in the reef ecosystem

• Coral and algae have no relationship in a reef ecosystem

• Algae provide coral with a home and carbon dioxide, while coral provide algae with food

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What is the role of algae in the food chain of a coral reef?

• Algae are producers and make their own energy

• Algae are consumers and rely on other organisms for energy

• Algae are decomposers and break down dead organisms

• Algae have no role in the food chain of a coral reef

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What is the role of the parrotfish in the food chain of a coral reef?

• Parrotfish are producers and make their own energy

• Parrotfish are consumers and rely on other organisms for energy

• Parrotfish are decomposers and break down dead organisms

• Parrotfish have no role in the food chain of a coral reef

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What can cause coral bleaching?

• Too much rain and colder ocean temperatures

• Droughts and warmer ocean temperatures

• Pollution and colder ocean temperatures

• Droughts and pollution

What happens to the coral when it undergoes bleaching?

• The coral loses its color and starves because it needs the algae to make food for it

• The coral becomes stronger and more vibrant in color

• The coral grows faster and attracts more fish

• The coral becomes resistant to pollution

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What is the impact of dying coral reefs on other plants and animals?

• Other plants and animals will thrive without the competition from coral

• Other plants and animals will become extinct as they depend on the coral for food and shelter

• Other plants and animals will migrate to different ecosystems

• Other plants and animals will adapt and survive without the coral reefs

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What is the Nature Conservancy?

• An organization that works to rescue coral reefs

• A photography magazine that publishes underwater pictures

• A government agency responsible for protecting marine life

• A research institute studying climate change

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How do scientists at the Nature Conservancy try to rebuild coral reefs?

• By planting small pieces of staghorn coral to concrete blocks

• By introducing new species of fish to the reefs

• By removing all the algae from the reefs

• By creating artificial reefs using plastic materials

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What is the photographer's hope for her photos?

• To win a photography contest

• To educate people about the negative effects of pollution on coral reefs

• To sell the photos to a gallery

• To document the different species of fish in the reef