Fossils and Superposition

Front

What are fossils that are abundant, easily recognizable, short lived, and widespread called?

Back

Index fossils

Front

What do we call the collection of all the evidence gathered about past life?

Back

Fossil record

Front

In what type of rock would you typically find fossils?

Back

Sedimentary rock

Front

Why don't jellyfish leave fossils behind?

Back

They are made up of mostly soft tissue.

Front

Where are most fossils of ancient animals or plants found?

Back

In water.

Front

What is the process called when minerals replace the organic material in a fossil?

Back

Petrification.

Front

What is the term for the layers of rock that contain fossils?

Back

Strata.

Front

What is the principle that states younger layers of rock are deposited on top of older layers?

Back

Law of Superposition.

Front

What type of fossil forms when an organism leaves an imprint in sediment?

Back

Trace fossil.

Front

What is the term for fossils that are formed from the remains of organisms?

Back

Body fossils.