Fossils and the Geologic Time Scale

What type of rock could be found in letter V?

Organisms that no longer exist are called

The geologic time scale is 

Fossils that provide information about the activities of an ancient organism is known as

Index fossils tell the ages of many different rock layers.

The theory of evolution is supported in that many organisms found in older rocks are 

When the age of the rock is found by comparing it to the age of other rocks it is known as

Index fossils tell the absolute age of the rock in which they occur.

In the Law of Superposition

Which fossil layer is the oldest?

Igneous rocks are that passes through a sedimentary rock layer is 

Index fossils tell the relative age of the rock in which they occur.

Index fossils tell the age of the rock at one location only.

Fossils of organisms that were widely distributed but only lived during a short period of time 

Theory that organisms have gradually changed over long period of time and become more complex 

Which fossil would you find the remains of an insect with little or no charge?

Layer C is known as an

A hollow area in sediment in the shape of all or part of an organism is called

This type of fossil forms when minerals replace all or part of an organism 

Radioactive dating enables geologist to determine

The preserved remains or traces of an organism

A gap in the geologic record formed when sedimentary rocks cover an eroded surface is a(n)

Layer F most likely formed as the same time a what other layer?

A scientist is testing the strength of different size magnets.What is the manipulated variable?

Most fossils form when