Geological Time Scale Review

In which of the following eras did humans first appear in the fossil record?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

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NGSS.MS-LS4-1

During Precambrian Time, simple life forms existed in the oceans of Earth. This was followed, during the Paleozoic Era, by the "great ___________ explosion" when many new life forms appeared on Earth in a very short period of time.

• Burgess
• Cambrian
• Geologic
• Jurassic

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How do we know that the fossils down the bottom are older?

• Newton's Laws of Motion

• Law of "Ms Krajicek says so"

• Law of Thermodynamics

• Law of Superposition

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NGSS.MS-ESS1-4

Which of the following is believed to have caused the extinction of dinosaurs?

• Earthquake
• Volcanoes erupting
• Hurricanes and Typhoons
• Meteor Strike

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When did the age of mammals begin?

• End of Mesozoic Era when dinosaurs died.

• After the Cambrian explosion

• After Lunch

• The end of the Cenozoic

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What was the "Cambrian Explosion"?

• When lots of different organisms evolved and thrived
• The time when dinosaurs went extinct.
• The time when Humans ruled the world.
• The period when bacteria thrived in our oceans.

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How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

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NGSS.MS-ESS1-4

What division of time was the longest ?

• Paleozoic

• Mesozoic

• Cenozoic

• Precambrian

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What era did dinosaurs go extinct ?

• Paleozoic

• Mesozoic

• Cenozoic

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What caused the great Permian Extinction?

• climate change

• volcanoes

• meteor strike

• extinction

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