Climate Change Quiz 1

Over the last 550,000,000 years...

• The number of species has been stable

• One cataclysmic event almost wiped out all living things

• All life almost went extinct at least five times

• The number of species has constantly increased

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The most common cause of mass extinction is...

• Climate change

• Volcanoes

• Asteroids

• Wildfires

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An increase in pesticides on a lawn causes grasshoppers to die out.

How will the loss of grasshoppers affect snakes?

• Snakes will die out because the animals they eat will also die out.

• Snakes will be fine because they do not eat grasshoppers.

• There will be more snakes because they will have more food.

• There will be fewer snakes because frogs will die out, but they will still have food.

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It is important for an ecosystem to have high biodiversity because...

• Ecosystems with high biodiversity are more likely to survive changes to the environment.

• Ecosystems with low biodiversity are more sustainable.
• High biodiversity hinders ecosystem productivity.
• Low biodiversity leads to increased ecosystem resilience and stability.

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Which lawn would be more likely to survive a change in the environment: a lawn with no weeds, or a lawn full of weeds?

• A lawn full of weeds because it is more biodiverse

• A lawn with NO WEEDS because there is less biodiversity

• A lawn with NO WEEDS because weeds make it harder for grass to grow

• The lawns are equally likely to survive.

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"The climate has changed in the past and will change again. It is natural and nothing to worry about."

This statement is not supported by scientific evidence, because...

• Climate change has never happened before

• The climate will never change

• Climate change does not happen naturally

• Climate change has caused mass extinctions

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