Earth History & Geologic Time Quiz

Longest part of Earths history

• Cambrian
• Precambrian 
• Phaenorozoic
• Cenozoic

The longest subdivision of time

• Eon
• Era
• Epoch
• Extinct

The Geologic Time Scale is a record of what?

• old geologists
• sweet geology music
• the known history of rocks and fossils
• a list of every living thing ever

Paleozoic, Mesozoic & Cenozoic are all

• Epochs
• Eras
• Periods
• Eons

Which is the most recent era of time- the one that we are currently in?

• Mesozoic 
• Paleozoic 
• Cenozoic 
• Precambrian 

Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.

• true
• false

The dinosaurs and reptiles were dominant in which Era?

• Precambrian
• Mesozoic
• Paleozoic
• Cenozoic

Known as the age of the mammals?

• Mesozoic Era
• Holocene Epoch
• Cenozoic Era
• Cambrian

The disappearance of a species.

• Evolution
• Extinction
• Migration
• Mutation

This provides information about the history of life on earth and how organisms lived and evolved over time.

• fossil data
• fossil evidence
• fossil  record
• remains of fossil