Types of Fossils

Fossils are the ______ or impressions of a prehistoric organism.

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of the following is likely to leave behind a fossil?

• The bones of a reptile that lived near a stream

• The skull of a desert bird

• The claws of an ocean predator

• The soft leaves of a mountaintop flower

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NGSS.MS-LS4-1

Which of the following can preserve original remains of an organism?

• Amber (tree sap)

• Ice

• Tar

• Warm water

What’s the name for the process by which the original tissue of an organism is replaced with minerals?

• Permineralization

• Premineralization

• Remineralization

• Tissification

Which type of fossil is the empty hollow left behind when an organism’s body completely dissolves away?

• Mold

• Cast

• Amber

• Trace

Which type of fossil is not of a body part but a mark left by an organism?

• Mold

• Cast

• Amber

• Trace

What type of fossil is made when sediments fill in the hollow made by a dissolved organism?

• Mold

• Cast

• Trace

• Preserved original remains

Which type of fossil is this?

• Mold

• Cast

• Preserved original remains

• Trace

Tags

NGSS.MS-LS4-1

Which type of fossil is this?

• Mold

• Cast

• Preserved original remains

• Trace

Tags

NGSS.MS-LS4-1

Which type of fossil is this?

• Mold

• Cast

• Preserved original remains

• Trace

Tags

NGSS.MS-LS4-1