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Geologic Time Online Quiz
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What is your first name?
Your answer
What is your last name?
Your answer
What period are you in?
Choose
Period 2
Period 3
Period 6
What era of geologic time ended with the largest extinction event in earths history?
The Cenozoic
The Cretaceous
The Paleozoic
The Mesozoic
Clear selection
Question 2
According to the table above, which was the first significant event that involved life?
The origin of the solar system
Earth forms
oceans form
primitive algae evolves
Clear selection
What is the shortest division of time in the geologic time scale.
an Epoch
a Period
an Era
an Eon
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What marks the end of the Proterozoic Eon?
the first appearance of organisms with hard parts
oxygen breathing organisms
free oxygen
mammals
Clear selection
According to the figure, what marked the end of the Mesozoic Era?
the extinction of many marine invertebrates
the extinction of dinosaurs
the building of the Appalachian ends
mammals are abundant
Clear selection
What era of geologic time ended with the largest extinction event in Earth history?
the Cenozoic
the Cretaceous
the Paleozoic
the Mesozoic
Clear selection
What is the current Era?
Archaen
Cenozoic
Mesozoic
Paleozoic
Clear selection
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