Geological Time Scale and Mass Extinctions

What is a principal that states that geologic processes that occurred in the past can be explained by current geologic processes.

• Catastrophism

• Unconformity

• Uniformitarianism

• Angular Unconformity

Which of the following may help cause mass extinctions?

• global warming

• global cooling

• asteroids striking the Earth

• all of these

Tags

NGSS.MS-LS4-1

Idea that conditions and creatures on Earth change in quick, violent events.

• lateral

• index fossil

• uniformitarianism

• catastrophism

Tags

NGSS.MS-ESS3-2

states that the Earth has gone through short, sudden, and worldwide events which cause large scale disruptions.

• Uniformitarianism

• Catastrophism

• Gradualism

• Law of Superposition

Tags

NGSS.MS-ESS3-2

What was the largest mass extinction event of the Phanerozoic eon?

• Permian-Triassic

• Devonian

• Cretaceous

• Triassic-Jurassic

Tags

NGSS.MS-LS4-1

How many eons exist in our geological timescale?

• 3

• 4

• 5

Tags

NGSS.MS-ESS1-4

What caused the Cretaceous extinction event?

• Falling sea levels

• Global warming

• The formation of Pangea

• A meteorite

Tags

NGSS.MS-LS4-1

The longest time units in the geological time scale are...

• Eras

• Millennia

• Eons

• Centuries

Tags

NGSS.MS-ESS1-4

A volcanic eruption contributed to which of the following mass extinctions?

• Permian-Triassic

• Triassic-Jurassic

• Devonian

• Ordovician

Tags

NGSS.HS-LS4-5

Which of the following mass extinctions had the lowest rate of extinction?

• Ordovician

• Devonian

• Permian-Triassic

• Triassic-Jurassic

Tags

NGSS.HS-LS4-5