Precambrian and Paleozoic Eras

Longest part of Earth's history and includes the Hadean, Archean, and Proterozoic eons.

• Paleozoic

• Mesozoic

• Precambrian

• Cenozoic

Tags

NGSS.MS-ESS1-4

Era of "ancient life"

• Mesozoic

• Paleozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Blue-green algae (unicellular) thought to be one of the earliest forms of life on earth.

• Cyanobacteria

• Trilobites

• Jellyfish

• Moss

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A giant landmass that formed at the end of the Paleozoic Era when the continents came together.

• North America

• Eurasia

• Pangea

• Paleozoic

Tags

NGSS.MS-ESS2-2

Traces of life are much easier to find during this time.

• Precambrian Time

• Paleozoic Era

Tags

NGSS.MS-LS4-1

This was the longest part of Earth's history.

• Precambrian Time

• Paleozoic Era

Shallow seas covered large parts of the continents during this time.

• Precambrian Time

• Paleozoic Era

At the end of this time, more than 90% of all marine species and 70% of all land species died off.

• Precambrian Time

• Paleozoic Era

Tags

NGSS.HS-LS4-5

Amphibians evolved during this time period.

• Precambrian Time

• Paleozoic Era

Tags

NGSS.MS-ESS1-4

Cyanobacteria appeared during this time in Earth's history.

• Precambrian Time

• Paleozoic Era

Tags

NGSS.MS-LS4-1