Mass Extinction Event Worksheet
Explore the causes, effects, and history of mass extinction events on Earth.
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Mass Extinction Event Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. What is a mass extinction event?
A sudden increase in the number of new species.
A period when many species die out quickly.
A slow change in climate over millions of years.
The discovery of new continents.
2. Which of the following is believed to have caused the extinction of the dinosaurs?
A global flood.
A supervolcano eruption.
An asteroid impact.
Slow climate change.
3. The Permian-Triassic extinction event is also known as the Great .
4. Changes in global can contribute to mass extinction events.
5. A species is considered when all of its members have died out.
6. Describe one natural cause of a mass extinction event, other than an asteroid impact.
7. How do mass extinctions affect the biodiversity of Earth?
8. There have only been two mass extinction events in Earth's history.
True
False
9. The recovery of life after a mass extinction can take millions of years.
True
False
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