Precambrian Era

Which of the following correctly lists the geologic time periods in order from OLDEST to MOST RECENT?

• Precambrian Time, Mesozoic Era, Paleozoic Era, Cenozoic Era

• Cenozoic Era, Mesozoic Era, Paleozoic Era, Precambrian Time

• Precambrian Time, Paleozoic Era, Mesozoic Era, Cenozoic Era

• Mesozoic Era , Paleozoic Era, Precambrian Time, Cenozoic Era

Tags

NGSS.MS-ESS1-4

Which type of life dominates the Precambrian Time?

• Dinosaurs

• Mammals

• Cyanobacteria

• Humans

When did the atmosphere first appear?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

When did the oceans first appear?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Due to __________________ and _____________ there are very few fossils found from the Precambrian Time Period.

• organisms with soft parts, an ice age

• organisms with hard parts, an ice age

• organisms with soft parts, volcanic activity

• organisms with hard parts, volcanic activity

Which era was the longest, taking up 88% of geologic time?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

Jellyfish are one of the oldest species on Earth. In what time period did they first appear?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

What are the four eras in order from OLDEST to NEWEST?

• Pre-Cambrian, Paleozoic, Mesozoic, Cenozoic

• Pre-Cambrian, Mesozoic, Paleozoic, Cenozoic

• Cenozoic, Mesozoic, Paleozoic, Pre-Cambrian

• Mesozoic, Pre-Cambrian, Cenozoic, Paleozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

A trend we see in the geologic time scale is that fossils become more ______ over time.

• complex

• simple

• heavy

• purple

Tags

NGSS.MS-LS4-1

What is the Precambrian Era known for in terms of geological development?

• Formation of the Earth and initial crust

• Dominance of dinosaurs

• Rise of mammals

• Development of flowering plants