Geologic Time

How old do Paleontologists believe the Earth is?

• 2019 years old

• 3.6 billion years old

• 4.6 billion years old

• 4.6 million years old

Tags

NGSS.MS-ESS1-4

90% of Earth’s history occurred during which era?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

The dinosaurs and reptiles were dominant in which Era?

• Precambrian

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-LS4-1

Which era is the most recent, the one that we are currently in?

• Mesozoic

• Paleozoic

• Cenozoic

• Precambrian

Tags

NGSS.MS-ESS1-4

What era did trilobites, fishes, and other marine organisms dominate?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

At the end of this era, only simple organisms like sponges, jellyfish and stromatolites filled the oceans.

• Precambrian Era

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-LS4-1

What type of event usually marks the end of an Era

• A Mass Extinction

• A Quinceanera

• An earthquake

• A Volcanic Eruption

Tags

NGSS.MS-ESS1-4

Mammals are a dominant group in which era?

• Cenozoic

• Mesozoic

• Paleozoic

• Cambrianozoic

Tags

NGSS.MS-ESS1-4

The period of geologic time when the biodiversity of life on the planet exploded was the

• Jurassic

• Triassic

• Permian

• Cambrian

Tags

NGSS.MS-LS4-1

During which periods did the first land plants, vertebrates, and insects appear?

• Jurassic-triassic

• Ordovician-silurian

• Hadean-acheon

• Tertiary-quaternary

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2