Fossils

Where are fossils usually formed?

• in rock

• in sedimentary rock

• in ice

• in metamorphic rock

When an organism dies, what two things happen to the soft body parts?

• weather and erode

• firm up and tighten

• decay and eaten by animals

• harden and fossilize

A solid copy of the shape of an organism is called?

• mold

• cast

• trace

• carbon

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

• cast

• mold

• trace

• carbon

Some of the original wood remains when wood is petrified.

• true

• false

All living things contain?

• bones

• hair

• skin

• carbon

Evidence of the activities of ancient organisms is found in

• trace fossils

• carbon fossils

• petrified fossils

• mold fossils

What is NOT learned about an organism in a trace fossil?

• its behavior

• its shape

• where it lived

• what it eats

An organism can be preserved by

• freezing

• being ingested/eaten by another organism

• changing over time

• trapped in lava

An organism can NOT be preserved by

• tar

• water

• amber

• freezing