Geologic Time Scale Check Point

Paleontologists think Earth is about ​ ​ (a)   years old.

• 4.6 billion
• 4.6 million
• 10 billion
• 4,600

Tags

NGSS.MS-ESS1-4

We live in the _________ era.

• Mesozoic

• Cenozoic

• Jurassic

• Hadean

Tags

NGSS.MS-ESS1-4

Which of the following is a period of the Mesozoic Era?

• Precambrian

• Jurassic

• Neogene

• Ordovician

Tags

NGSS.MS-ESS1-4

Which is NOT an eon?

• Archean

• Hadean

• Proterozoic

• Paleocene

Which division on the geologic time scale is the shortest?

• Epoch

• Era

• Eon

• Period

The timespan that lasted the longest was:

• Mesozoic

• Cenozoic

• Paleozoic

• Precambrian

The era that ended with the largest extinction we know if is the:

• Mesozoic

• Cenozoic

• Paleozoic

• Precambrian

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the eras below was known as the "Age of the Reptile"?

• Mesozoic

• Cenozoic

• Paleozoic

• Precambrian

Of the following,_______ is the youngest period of geologic time.

• Oaleogene

• Archean

• Devonian

• Quaternary

Tags

NGSS.MS-ESS1-4

In what era did corals appear?

• Mesozoic

• Cenozoic

• Paleozoic

• Cretaceous