Earth History: Geologic Time Question Preview (ID: 62015)
Geologic Time Scale.
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What is the largest division of time on the geologic time scale
a) eon
b) epoch
c) era
d) period
What does the geologic time scale represent?
a) The sequence of events in the history of the Earth.
b) The age of animal species.
c) The chronological sequence of weather patterns.
d) The rate of tectonic plate movement.
Which unit of time is the smallest on the geologic time scale?
a) Eon
b) Era
c) Period
d) Epoch
Which era is known as the Age of Mammals?
a) Precambrian
b) Paleozoic
c) Mesozoic
d) Cenozoic
Which era is known as the Age of Fish?
a) Precambrian
b) Paleozoic
c) Mesozoic
d) Cenozoic
Which era is known as the Age of Dinosaurs?
a) Precambrian
b) Paleozoic
c) Mesozoic
d) Cenozoic
Which era literally means ancient life?
a) Precambrian
b) Paleozoic
c) Mesozoic
d) Cenozoic
Which era literally means recent life?
a) Precambrian
b) Paleozoic
c) Mesozoic
d) Cenozoic
Which era literally means middle life?
a) Precambrian
b) Paleozoic
c) Mesozoic
d) Cenozoic
Which of the following best explains the Cambrian explosion?
a) a large group of related organisms died out and has no living members
b) the first period of Earth's history with a sudden appearance in the fossil record of complex animals
c) A large impact event that caused global climate changes
d) Large scale volcanic eruptions which caused organisms to quickly change over time
Which era consisted of only single celled organisms with jellyfish appearing at the end?
a) Precambrian
b) Paleozoic
c) Mesozoic
d) Cenozoic
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