Evolution Quiz

What are the oldest fossils and why?

• B, C- because they are closest to the top

• A, B- because they are closest to the bottom

• They are all the same age- because they are all found on layer 2

• A, B- because they are found closest to the top

According to the law of superposition, which layer is the youngest?

• A
• B
• C

If scientists found this fossil in a desert, what could they infer?

• what fish are like today

• that this fish lacked oxygen

• that water once covered the area where this fossil was found

How do fossils provide evidence that evolution has happened on Earth?

• Fossils show how the sizes of certain animals has changed drastically over millions of years
• Fossils show that some species have gone extinct
• Fossils show how life forms present today are different than those from the past
• Different sedimentary rock layers provide evidence for how the environment has changed over time

_{Which rock layer contains the newest fossils?}

• F
• E
• B
• C

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?

• The function of these bones is the same in all animals
• They live in similar environments
• They have a common ancestor
• All organisms resemble humans

The structures shown are_________

• homologous
• heterologous
• analogous
• vestigial

 The best definition for biological evolution is?

• A.  When Earth’s processes cause change overtime.
• B.  When rock’s change over time.
• C.  When a species changes      overtime.

Structures that are inherited from a common ancestor are homologous.

• True
• False