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Questions and Answers
What are the three eras in the Precambrian eon, and what is significant about the Proterozoic era?
What are the three eras in the Precambrian eon, and what is significant about the Proterozoic era?
The Precambrian eon is divided into the Hadean, Archean, and Proterozoic eras. The Proterozoic era is significant because it saw an increase in atmospheric oxygen and glaciation.
Precambrian eon divided ______ Hadean, Archean, and Proterozoic eras - into
Precambrian eon divided ______ Hadean, Archean, and Proterozoic eras - into
What are the three eras in the Phanerozoic eon, and what are the six periods in the Paleozoic era?
What are the three eras in the Phanerozoic eon, and what are the six periods in the Paleozoic era?
The Phanerozoic eon is divided into the Paleozoic, Mesozoic, and Cenozoic eras. The Paleozoic era is divided into six periods, including Permian and Carboniferous.
Proterozoic era saw increase in atmospheric oxygen and ______ - glaciation
Proterozoic era saw increase in atmospheric oxygen and ______ - glaciation
What is the Mesozoic era known for, and what are the three periods within it?
What is the Mesozoic era known for, and what are the three periods within it?
Phanerozoic eon divided ______ Paleozoic, Mesozoic, and Cenozoic eras - into
Phanerozoic eon divided ______ Paleozoic, Mesozoic, and Cenozoic eras - into
What are the two periods within the Cenozoic era, and what is significant about the Quaternary period?
What are the two periods within the Cenozoic era, and what is significant about the Quaternary period?
Paleozoic era divided ______ six periods, including Permian and Carboniferous - into
Paleozoic era divided ______ six periods, including Permian and Carboniferous - into
What major event occurred during the Cambrian period, and what organisms evolved during this time?
What major event occurred during the Cambrian period, and what organisms evolved during this time?
Mesozoic era known as Age of Dinosaurs and contains ______, Jurassic, and Cretaceous periods - Triassic
Mesozoic era known as Age of Dinosaurs and contains ______, Jurassic, and Cretaceous periods - Triassic
What important developments occurred during the Devonian period, and what type of fish evolved during this time?
What important developments occurred during the Devonian period, and what type of fish evolved during this time?
Cenozoic era divided ______ Tertiary and Quaternary periods - into
Cenozoic era divided ______ Tertiary and Quaternary periods - into
What significant developments occurred during the Silurian period, and what type of organisms evolved during this time?
What significant developments occurred during the Silurian period, and what type of organisms evolved during this time?
Quaternary period marked by Ice Ages and evolution of ______ - humans
Quaternary period marked by Ice Ages and evolution of ______ - humans
Flashcards
Precambrian Eon Eras
Precambrian Eon Eras
The Precambrian eon is divided into the Hadean, Archean, and Proterozoic eras. The Proterozoic era is significant because it saw an increase in atmospheric oxygen and glaciation.
Phanerozoic Eon Eras
Phanerozoic Eon Eras
The Phanerozoic eon is divided into the Paleozoic, Mesozoic, and Cenozoic eras. The Paleozoic era is divided into six periods, including Permian and Carboniferous.
Mesozoic Era
Mesozoic Era
The Mesozoic era is known as the Age of Dinosaurs and contains the Triassic, Jurassic, and Cretaceous periods.
Cenozoic Era Periods
Cenozoic Era Periods
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Cambrian Period
Cambrian Period
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Devonian Period
Devonian Period
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Silurian Period
Silurian Period
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Study Notes
- Precambrian eon divided into Hadean, Archean, and Proterozoic eras
- Proterozoic era saw increase in atmospheric oxygen and glaciation
- Phanerozoic eon divided into Paleozoic, Mesozoic, and Cenozoic eras
- Paleozoic era divided into six periods, including Permian and Carboniferous
- Mesozoic era known as Age of Dinosaurs and contains Triassic, Jurassic, and Cretaceous periods
- Cenozoic era divided into Tertiary and Quaternary periods
- Quaternary period marked by Ice Ages and evolution of humans
- Cambrian period saw explosion of new organisms and evolution of sponges and trilobites
- Devonian period saw evolution of seed plants and lobe-finned fish
- Silurian period saw evolution of corals and vascular plants on land
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