Science Lesson 3.6 An Underwater World

All the plants and animals living in a specific area, like a coral reef or a forest

• species

• ecosystem

• overfishing

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a category of living things

• ecosystem

• species

• global warming

the results of human beings fishing too heavily in one area

• species

• global warming

• overfishing

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An increase of Earth's temperature over time

• global warming

• over-fishing

• species

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What is the largest coral reef in the world

• Maldives Reef

• Great Barrier Reef

• Red Sea Reef

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Coral Reefs are made of

• plant material

• the skeletons of corals

• algae

• fish skeletons

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You know that a coral reef is an ecosystem. What is another example of an ecosystem?

• a desert

• a rain forest

• a pond

• all the above

What are some dangers to the world's coral reefs?

• pollution

• over-fishing

• global warming

• all the above

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What would happen to a coral reef if the algae would die?

• it would die

• the coral would lose its color

• Both A and B

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Name some of the species that live in a coral reef

• jellyfish

• shrimp

• worms

• all of the above

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