The Will to Make a Difference

What is causing the disappearance of so many species?

• Global warming

• The loss of their habitat

• Predators

• Climate change

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Summit 1 Unit 6

Why is it important to prevent extinction?

• To populate planet Earth

• It doesn't make any difference to prevent extinction

• Because animals can't keep up with global warming

• Once a species is gone, their disappearance is irreversible

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Summit 1 Unit 6

Why were passenger pigeons a favorite for hunters?

• They were delicious to eat and useful for making feather beds

• They used to lay eggs every year

• Hunters had a fascination with the color of their feathers

• They would collect their beaks to make weapons

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Summit 1 Unit 6

The passenger pigeon become extinct in ​ (a)   .

• the twentieth century
• 1915
• the twenty-first century
• 1913

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Summit 1 Unit 6

​ (a)   provided ​ (b)   food, clothing, and shelter.

• Buffalo
• Native Americans
• Passenger pigeons
• coast cities
• New York City
• European settlers

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Summit 1 Unit 6

How can animals today be saved from extinction?

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Summit 1 Unit 6

What are four reasons the passenger pigeon became extinct?

• 1. A steady supply in coast cities

• 1. Farming and construction

• Killed for sport

• only one egg laid each year

• prevented aggressive plants from taking over

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Summit 1 Unit 6