Earth's Eras

Exoskelton, 3 lobes, lived during the Paleozoic era. It was considered to be an index fossil.

• Echobite

• Trilobite

• Cenobite

• Trillionbite

Tags

NGSS.MS-LS4-1

What is an epoch?

• A creature

• Division of geologic time that is based on world wide life forms

• next smaller division of geologic time after the period; is characterized by differences in life forms that may vary regionally

• a rock

A supercontinent that existed during the late Paleozoic and early Mesozoic eras

• Atlantis

• Eurasia

• Afrika

• Pangea

Tags

NGSS.MS-ESS2-3

The Cenozoic, Mesozoic and Paleozoic periods are all part of the ___________

• The Devonian Epoch

• The Mississippian Period

• The Phanerozoic Era

• The Age of Empires

Tags

NGSS.MS-ESS1-4

The Paleozoic, Mesozoic, and Cenozoic are divisions in the geologic time scale called ____

• centuries

• layers

• periods

• eras

Tags

NGSS.MS-ESS1-4

In which of the following eras did humans first appear in the fossil record?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What era are we currently living in?

• Paleozoic Era

• Mesozoic Era

• Cenozoic Eon

• Cenozoic Era

What is the name of the supercontinent that separated in the Mesozoic Era?

• Pangea

• Pangaea

• League of Nations

• United Nations

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

In what era did the first land plants appear?

• Silurian

• Mesozoic

• Paleozoic

In which time period are we currently living?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era