Fossils

A solid copy of the shape of an organism is...

• a fossil record

• a mold

• a carbon film

• a cast

The gradual change in living things over time is..

• transition

• evolution

• age

• revolution

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

• sediment

• people

• cement

• ants

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

• molds and casts

• petrified fossils

• trace fossils

• carbon films

An organism is ______________ if it no longer exits and will never live again on Earth.

• rare

• extinct

• plentiful

• missing

What is an extremely thin coating of carbon on rock?

• sediment

• sap

• tar

• carbon film

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

• a cast

• a mold

• a trace fossil

• a petrified fossil

A ______________________ is a scientist who studies fossils.

• biologist

• chemist

• paleontologist

• fossilologist

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

• fossil record

• animal record

• historical record

• Earth record

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

• sticky tar

• water

• amber

• ice