Define the following terms:

Fossilization

Index Fossil

Faunal Succession

Tar

Ice

Evolution

Variation

Fossilization - The preservation of an ancient artifact.

Index Fossil - A fossil that is useful for dating and correlating the strata in which it is found.

Faunal Succession - The observation that a sedimentary rock strata contains fossilized flora and flauna.

Tar - A dark, thick liquid distilled from wood or coal.

Ice - Frozen water.

Evolution - The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Variation - The difference between cells, individual organisms, or groups of organisms of any species.