NGSS.MS-LS4-1

All the information that paleontologists have gathered about past life is called the _____

• geologic time
• geologic eras
• fossil eras
• fossil record

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These were the dominant species that existed during the Paleozoic era:

• Dinosaurs and reptiles

• Aquatic life and reptiles

• Dinosaurs and aquatic life

• Ancient aliens

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NGSS.MS-LS4-1

The coelacanth is considered a __________________because it existed for a long time, then there was a gap in the fossil record, and it has been discovered living in modern times.

• scary sea creature

• monster

• fish

• living fossil

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the complete body of fossils that shows how species and ecosystems change over time.

• fossil index

• trace fossil

• fossil

• fossilization

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The end of an era, and the end of life for groups of organisms, is called?

• Death

• Mass extinction

• Transition

• Turning point

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NGSS.MS-LS4-1

An undisturbed rock column contains a fossil of a reptile species in the lowest rock layer, an index fossil that was present 1 million years ago in the middle rock layer, and a fossil of a clam species in the top rock layer. Which statement is most likely correct?

• The index fossil formed when a desert habitat made rock layers in the column.

• There was a marine habitat over one million years ago that formed rock layers in the column.

• There was a desert habitat before a marine habitat that formed the rock layers in the column.

• There was a desert habitat more recently than one million years ago that formed rock layers in the column.

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NGSS.MS-LS4-1

The preserved remains of an organism from long ago is called a ___________

• stratum

• clast

• fossil

• relative age

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What era did dinosaurs go extinct ?

• Paleozoic

• Mesozoic

• Cenozoic

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NGSS.MS-LS4-1

Finding fossils of coral reefs in the Nevada desert provides evidence that:

• Nevada used to be much colder than it is today
• an ocean once covered what is now Nevada
• there was a mistake because no coral reefs exist in deserts
• ancient corals used to live on land

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no longer living or existing

• endangered

• mutated

• extinct

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