Geologic Time Scale Review

Precambrian, Paleozoic, Mesozoic, and Cenozoic all belong to:

• Epochs
• Eras
• Periods
• Eons

Tags

NGSS.MS-ESS1-4

Cambrian, Ordovician, Silurian, Devonian, Mississippian, Pennsylvanian, Permian, Triassic, Jurassic, Cretaceous, Tertiary, Quaternary all belong to:

• Periods
• Eons
• Epochs
• Eras

Tags

NGSS.MS-ESS1-4

Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Holocene (or Recent) all belong to:

• Epochs
• Eons
• Eras
• Periods

Tags

NGSS.MS-ESS1-4

______ first appeared on Earth during the Triassic period. 

• Humans
• Dinosaurs
• Fish
• Modern Mammals

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Age of fish was during this era:

• Cenozoic
• Mesozoic
• Paleozoic

Modern mammals was during this era:

• Cenozoic
• Mesozoic
• Paleozoic

Age of reptiles was during this era:

• Cenozoic
• Mesozoic
• Paleozoic

_____ were all extinct by the end of the Cretaceous period

• Dinosaurs
• Modern Mammals

Tags

NGSS.MS-LS4-1

______ lived through most of the Mesozoic era:

• Dinosaurs 
• Fish 
• Mammals

Tags

NGSS.MS-LS4-1

______ have been on Earth for about 200,000 years.  This is very short compared to how long dinosaurs lived on Earth. 

• Fish
• Humans