Fossils

Which layer contains the oldest fossil?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

Which of the following would be an example of absolute age?

• Fossil A is older than Fossil B

• Fossil A and Fossil B are the same age

• Fossil A is 10 million years old

Which layer contains the youngest fossil?

• layer 1

• layer 2

• layer 3

• layer 4

Which of the following could form a fossil?

• Bone
• Shell
• Seeds
• All of the above

Most fossils form when organisms that die become buried in sediments

• True
• False

Which of the following is true about molds and casts

• A mold forms when hard parts of an organism buried by sediments are gradually dissolved
• A mold that becomes filled in with hardened materials forms a cast
• A cast is a copy of the shape of an organism
• All of the above

By determining the age of fossils, scientists can reconstruct the history of life on Earth

• True
• False

In what way can scientists determine the ages of fossils?

• relative dating
• radioactive dating
• law of superposition
• All of the above

Relative dating can only help scientists determine whether one fossil is older than another.

• True
• False

The millions of fossils that scientists have collected are called

• The Geologic Time Scale
• The Origin of Species
• The Fossil Record
• A really neat fossil collection