Fossils

A hollow area in sediment in the shape of an organism or part of an organism is

• A mold

• A cast

• A trace fossil

• A petrified fossil

A solid copy of the shape of an organism is

• A cast

• A mold

• A carbon film

• A fossil record

What type of fossils provide evidence of the activities of ancient organisms

• Trace fossils

• Mold and Casts

• Carbon Films

• Petrified Fossils

Which of the following substances is not able to preserve entire organisms

• sticky tar

• amber

• water

• ice

Most fossils form when living things die and are buried by __________ that hardens into rock over time.

• sediment

• ice

• water

• wind

A(n) ____________ is an extremely thin coating of carbon on rock.

• tract

• mold

• cast

• carbon film

Scientists study the ____________ to learn about the history of life, past environments on Earth,and how different groups of organisms have changed over time.

• history

• fossil record

• rock

• timeline

The term ______________________ is used to identify a scientist who studies fossils

• biologist

• paleontologist

• zoologist

• botantist

____________________ is a gradual change in living things over long periods.

• Adaptation

• Natural selection

• Evolution

An organism is ________________ if it no longer exists and will never live again on Earth.

• hibernating

• extinct

• dying