Fossils

Front

Footprints and trails are examples of trace fossils.

Back

True

Front

Uplift may be caused by the Earth's plates colliding together and causing rocks to be pushed upward.

Back

True

Front

What is a fossil?

Back

the remains, imprints, or traces of once-living organisms

Front

Which type of fossil preservation is a thin carbon outline of the original organism? Options: cast, carbon film, mold, petrified

Back

carbon film

Front

A fossil formed when minerals replace all or part of an organism is called a

Back

petrified fossil

Front

Which type of fossil can provide clues about the activities of ancient organisms?

Back

trace fossils

Front

How do most fossils form?

Back

Living things die and their remains are buried by sediments.

Front

The relative age of a rock is

Back

its age compared to the ages of other rocks

Front

Radioactive decay occurs when atoms of an unstable element

Back

break down to form atoms of another element.

Front

When an isotope in the rock decays, a new _______________ is formed.

Back

element