Act 7. Fossils: evidence of evolution. Online Quiz

What is the name of the time scale used to measure Earth’s history?

• The universal time scale

• The fossil History scale

• The evolutionary time scale

• The geologic time scale

Which is true of the fossil record?

• It is large but incomplete

• It is small and incomplete

• It is large and complete

• It is small but complete

An insect encased in amber is what kind of fossil?

• A mold and cast

• A mineralized fossil

• Original material

• A trace fossil

What is the basic concept behind relative-age dating and fossils?

• Upper rock layers were deposited earlier than Lowe rock layers

• Lower rock layers were deposited earlier than upper rock layers

• Older fossils contain relatively higher levels of radioactive isotopes than younger fossils

• Younger fossils contain relatively higher levels of radioactive isotopes than older fossils

Which is a major underlying cause of mass extinctions?

• Environmental change

• Genetic change

• Sedimentation

• Evolution