Catastrophic Events & Mass Extinction

What is a mass extinction?

• When all the species in a particular area on earth suddenly go extinct
• When multiple species from all over the earth suddenly go extinct 
• When one species goes extinct due to habitat changes
• When all life on earth is wiped out 

Tags

NGSS.MS-LS4-1

Which extinction is considered the largest mass extinction in Earth's history? Basically 96% of all species on Earth disappeared.

• Ordovician Extinction

• Devonian Extinction

• Permian Extinction

• Triassic Extinction

• Cretaceous Extinction

Tags

NGSS.MS-LS4-1

There have been _____ mass extinction events in Earth's history.

• 3
• 4
• 5
• 2

Tags

NGSS.MS-LS4-1

According to most scientists, what is the ultimate cause of most mass extinctions?

• overhunting

• evolution of new species to replace old ones

• major change in environment or climate

• asteroid impact

Tags

NGSS.MS-LS4-1

What word do we use to describe a species which has no members still living?

• endangered
• extinct

Tags

NGSS.MS-LS4-1

At the end of the Mesozoic Era there was a mass extinction.  Which of the following is attributed as being the main cause?

• asteroid or comet impact
• major volcanic eruption
• earthquakes
• climatic changes

Tags

NGSS.MS-LS4-1

Which era is known as the age of the mammals?

• Mesozoic Era

• Holocene Epoch

• Cenozoic Era

• Cambrian

Tags

NGSS.MS-LS4-1

How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

Tags

NGSS.MS-ESS1-4

Paleozoic, Mesozoic & Cenozoic are all

• Epochs
• Eras
• Periods
• Eons

Tags

NGSS.MS-ESS1-4

There have been 5 mass extinctions in Earth's history. Which of the following answer choices was a cause of these extinctions?

• increased carbon dioxide (CO2) levels in the atmosphere

• an asteroid impact

• melting of glaciers and rising sea levels

• widespread volcanic activity

• All of them

Tags

NGSS.MS-LS4-1