Fossil/geologic time

Dinosaurs, small mammals, and birds are found in this time period.

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

The Law of ​ (a)   is the law that states older rock is on the bottom and younger rock is on the top.

• Superposition
• Cross-cutting
• Inclusions

How long ago did the Earth form?

• 4,600 years ago

• 460,000 years ago

• 4.6 billion years ago

Which came first in Geologic Time?

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

• Precambrian Time

Mass extinctions occurred at the end of both the ______________ and the _______________ Eras.

• Paleozoic and Cenozoic

• Cenozoic and Mesozoic

• Paleozoic and Mesozoic

• None of the above

Pangaea formed near the end of the Paleozoic Era. What was Pangaea?

• a species of lemur

• a lake in Brazil

• a giant landmass of continents

Not including the Precambrian, how many Era’s are there?

• 4

• 12

• 3

• 7

During what Era do we currently live?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

During which time segment of the Geologic Time Scale did life first appear?

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

• Precambrian Time

During which time segment of the Geologic Time Scale did dinosaurs live?

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

• Precambrian Time