Fossils

Life began in

• Land

• The ocaen

What needs to happen first for a fossil to form?

• A plant or animal must be covered by sediment.

• A plant or animal must die and decompose.

• Sediments fill a mold to form a cast.

• An earthquake shifts the land up.

In which type of rock are most fossils found?

• Sedimentary rock

• Metamorphic rock

• Igneous rock

• Fossils

A fossilized tooth is found at the beach. This is an example of:

• Body fossil

• Cast or mold

• Coprolite

• Trackways

If a one dissolves and leaves behind a space, this will be called a ____.

That space is filled with other materiales to form a ____ in the shape of the original organism.

• Mold, cast

• Cast, mold

• Trace fossil, body fossil

• Body fossil, trace fossil

Breaking down or dissolving of rocks and minerals on the surface of Earth.

• Erosion

• Weathering

• Uplift

Process in which rock fragments are washed away (transportation).

• Erosion

• Weathering

• Uplift

Breaking of rocks without changing the composition.

• Chemical weathering

• Biological weathering

• Physical weathering

Breaking of rocks by altering the composition.

• Chemical weathering

• Biological weathering

• Physical weathering

Fossil evidence is used to determine what the organism was, when it lived, and what major events it experienced during its lifetime.

• True

• False