Fossils

Which of the following is a characteristic of a mold fossil?

• It is a three-dimensional replica of the organism.

• It is an impression left in the substrate.

• It contains the actual remains of the organism.

• It is formed by the replacement of organic material with minerals.

What is the primary difference between a cast fossil and a mold fossil?

• A cast fossil is an impression, while a mold fossil is a replica.

• A mold fossil is filled with minerals, while a cast fossil is not.

• A cast fossil is a three-dimensional replica, while a mold fossil is an impression.

• A mold fossil contains organic material, while a cast fossil does not.

Tags

NGSS.MS-LS4-1

Which type of fossil is formed when minerals replace all or part of an organism?

• Trace fossil

• Mold fossil

• Cast fossil

• Petrified fossil

Identify the type of fossil that provides evidence of the activities of ancient organisms.

• Petrified fossil

• Trace fossil

• Mold fossil

• Cast fossil

Tags

NGSS.MS-LS4-1

Which of the following is an example of a trace fossil?

• A dinosaur bone

• A shell impression

• A footprint

• A petrified tree

Tags

NGSS.MS-LS4-1

What type of fossil is formed when an organism is trapped in amber?

• Mold fossil

• Cast fossil

• Preserved fossil

• Petrified fossil

Tags

NGSS.MS-LS4-1

Which type of fossil is most likely to provide detailed information about the soft tissues of an organism?

• Mold fossil

• Cast fossil

• Preserved fossil

• Trace fossil

How does a carbon film fossil form?

• By the organism being buried in sediment and leaving an impression.

• By the organism's remains being replaced by minerals.

• By the organism decaying and leaving a thin layer of carbon.

• By the organism being trapped in ice.

Which of the following best describes a body fossil?

• It is an impression of an organism's activity.

• It is a fossil that contains the actual remains of an organism.

• It is a fossil formed by mineral replacement.

• It is a fossil that forms a three-dimensional replica.

What is the significance of index fossils in geology?

Such as a Trilobite

• They are used to determine the age of rock layers.

• They are the most common type of fossil found.

• They provide evidence of ancient climates.

• They are fossils that contain DNA.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1