Fossils and Geologic Time

Who studies fossils?

• zoologist

• meteorologist

• paleontologist

• biologist

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

True/False: Fossils are remains of ancient plants and animals.

• true

• false

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How do we know dinosaurs existed?

• history books

• movies

• stories

• fossils

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Which fossil would look most like the original ancient organism?

• Cast

• Mold

• Preserved

• Trace

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Which item is an example of preserved remains?

• dinosaur footprint

• a trilobite mold

• imprint of a fern

• an insect trapped in amber

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NGSS.MS-LS4-1

What is a fossil mold?

• a copy of an ancient organism

• a trace fossil of an ancient organism

• an impression of an ancient organism

• an ancient organism that has been preserved in tar pits

petrified wood is an example of a

• trace fossil

• carbon film

• petrified fossil

• cast fossil

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NGSS.MS-LS4-1

which is an example of a trace fossil

• a carbon film of an extinct plant

• a woolly mammoth's footprint

• a dinosaur bone preserved in rock

• a mosquito in amber

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Which item is not considered a fossil?

• a million year old bacteria

• a dead tree on a forest floor

• a mosquito inside a piece of amber

• a carbon film of an extinct plant

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which item would most likely become a fossil?

• a shark tooth

• pine needle

• large jelly fish

• a slug

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NGSS.MS-LS4-1