Physical Geography- Geological Eras
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Last updated 11:39 AM on 10/25/25
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8 Terms
1
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What are the 4 main geological eras (oldest to newest)?
Precambrian, paleozoic, Mesozoic, Cenozoic
2
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What era is known as the Age of Mammals?
Cenozoic Era- humans and mammals appeared
3
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What era is known as the Age of Dinosaurs?
Mesozoic Era- dinosaurs, birds, and flowering plants.
4
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What era is known as the Age of Ancient Life?
Paleozoic Era
5
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Which is the oldest era on Earth?
Precambrian
6
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In which era are we living now?
Cenozoic Era
7
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Which major event ended the Mesozoic Era?
A mass extinction (meteor impact) killed the dinosaurs
8
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What appeared during the Precambrian Era?
The first bacteria and single-celled life
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