Biology Study Guide Quiz

What is the estimated age of the universe according to the Big Bang Theory?

• 10 billion years

• 13.8 billion years

• 20 billion years

• 4.6 billion years

Which experiment simulated early Earth's conditions to form organic molecules?

• Griffith's Experiment

• Miller-Urey Experiment

• Meselson-Stahl Experiment

• Hershey-Chase Experiment

What evidence supports the Endosymbiotic Theory?

• Fossil record

• Presence of cosmic microwave background radiation

• Similar DNA, ribosomes, and binary fission method to bacteria

• Redshift of galaxies

Which of the following is a mechanism of natural selection where both extreme traits are favored?

• Directional selection

• Stabilizing selection

• Artificial selection

• Disruptive selection

What is the term for estimating age based on the position in sedimentary rock?

• Absolute dating

• Carbon dating

• Relative dating

• Radiometric dating

Which theory explains that all life shares a common ancestor and species change over time?

• Endosymbiotic Theory

• Big Bang Theory

• Early Earth Hypothesis

• Theory of Evolution

What is the term for large-scale evolutionary changes resulting in new species?

• Microevolution

• Macroevolution

• Coevolution

• Convergent evolution

Which of the following is a potential flaw of the Big Bang Theory?

• Some gaps in fossil records

• Details of how initial endosymbiotic relationships became stable remain unclear

• Exact conditions of early Earth remain uncertain

• Cannot explain what initiated the Big Bang