According to the diagram, mammals are younger than amphibians.

According to the diagram, trilobites and fish are the same age.

According to the diagram, fish are older than dinosaurs.

According to the diagram, dinosaurs are younger than mammals.

Which type of fossil shows an organism's activities? (footprints, poop, burrows)

This type of fossil is formed when an organism's remains decayed and left a mold, or hollow space in the rock.

This type of fossil is created when dirt (sediment) fills a mold and becomes a rock.

An ________ fossil is used to identify the age of other fossils, because they were organisms that lived in a short time, but lived in many different places.

______________ age is a comparison between two things.

____________ age is the actual, or numerical age of a rock or fossil.

The Geologic Timeline orders time from longest to shortest by:

The earliest part of Earth's history is

The oldest layer is

The arrow is pointing to a(n)

M is a(n)

An intrusion is always ___________ than the layers it cuts through.

The Law of Superposition states that if left undisturbed, the ____________ layers will be found at the _______________.

Order the layers and events from oldest to youngest.

D is a(n)

C is the __________ layer

Folding and the formation of mountains can cause older rock layers to be found near the top.