Chapter 14

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

• A.

  a cast

• B.

  a mold

• C.

  a trace fossil

• D.

  a petrified fossil

A solid copy of the shape of an organism is?

• A.

  a mold

• B.

  a carbon film

• C.

  a cast

• D.

  a fossil record

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

• A.

  molds and casts

• B.

  petrified fossils

• C.

  trace fossils

• D.

  carbon films

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

• A.

  sticky tar

• B.

  water

• C.

  amber

• D.

  ice

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

A ______ ____  is an extremely thin coating of carbon on rock

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

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

  _________ is the gradual change in living things over long periods

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