5 Mass Extinctions

Multiple Choice

How many Mass Extinctions were there?

• 3

• 4

• 5

• 6

Multiple Choice

True Or False. Every Mass Extinction had a death rate of at least 70%

• True

• False

Drag and Drop

Put the Extinctions in the correct order. ​

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Ordovician

Devonian

Permian

Triassic

K-T

Multiple Select

65 Million years ago, most of the Dinosaurs became extinct. what are the 3 likely causes? (make sure to choose 3)

• Increase in CO2

• Volcanic Activity

• Asteroid Impact

• Global Cooling

• Falling Sea Levels

Multiple Choice

Which Mass Extinction wiped out the most living things?

• Ordovician

• Devonian

• Permian

• Triassic

• K-T

Drag and Drop

All life on Earth only began 500 million years ago, Meaning there was absolutely no life on Earth for 4 Billion years! How many years went by from when life began to the First Mass Extinction? (Hint: Subtract 500 mya - when the Ordovician extinction happened)

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55 mya

45 mya

445 mya

85 mya

Multiple Select

Which 2 mass extinctions were most likely caused by and Asteroid impact?

• ordovician

• devonian

• permian

• triassic

• k-t

Multiple Select

Which 2 extinctions were caused by global cooling (Ice Age)?

• ordovician

• devonian

• permian

• triassic

• k-t

Multiple Choice

Which one of these answers is NOT known to cause a mass extinction?

• Climate

• Sea Level Rise

• Meteor Impact

• Volcanism

• Increase in O2 (oxygen)

Multiple Choice

True or False? The Triassic extinction was caused by global cooling

• True

• False