Index Fossils Quiz

According to the image below, which rock layer contains the youngest fossils?

• C
• D
• E
• F

According to the image below , which rock layer is the oldest?

• A
• C
• D
• F

According to the Law of ________________________________, the oldest fossils are found in the _________________ rock layer.

• Fossils; bottom
• Horizontality; bottom
• Positioning; top
• Superposition; bottom

The Law from the previous question helps scientists to determine what?

• The absolute age of fossils
• The absolute age of rocks
• The relative age of rocks
• The superpowers that animals exhibited prior to the presence of humans

Index fossils are the most reliable when they exhibit which two traits?

• Found in a specific location on Earth & have a long lifespan
• Found in a specific location on Earth & have a short lifespan
• Found widespread geographically & have a long lifespan
• Found widespread geographically & have a short lifespan

From the study of fossils, what can be inferred about most species of plants and animals that have lived on Earth?

• They are unrelated to modern life forms.
• They have become extinct.
• They are still living today.
• They existed during the Cambrian Period.

According to the image below, which fossil is the BEST index fossil?

• Ammonite
• Coral
• Crinoid
• Fern
• Gastropod