End of Unit Evolution Quiz

When every organism of a species has died.

• Evolution
• Natural Selection
• Extinction
• Artificial Selection

Match the following terms with their definitions

• a change in a species DNA over time because of natural selection

• Variation

• An inherited trait that makes and individual different

• Mutation

• Any variation that makes an organism better able to survive

• Adaptation

• A permanent change in the DNA

• Evolution

Differences in traits are called:

• natural selection

• genetic variations

• artificial selection

• adaptations

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

Who was the first naturalist to study evolution?

• Charles Darwin
• Gregor Mendal
• Carolus Linneaus
• Thomas Edison

This is a process by which organisms inherited advantageous traits that tend to reproduce more successfully than the other organisms do. 

• Artificial selection
• Natural selection
• Populations
• Environment

The diagram illustrates an embryonic stage of two organisms.

Which of the following can be determined by observing the embryos shown in the diagram

• The organisms share a common ancestry.

• The organisms belong to the same genus.

• The organisms are native to the same geographic areas.

• The organisms will grow into anatomically similar adults.

An example of a homologous structure 

• human arm and bird wing

• rat appendix  and human appendix

• wing of butterfly and bird wing

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age

• Fossil B is older than fossil C

• Fossils A is older than fossil B

• Fossil D is older than fossil C