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AP Biology - The Origin of Life on Earth: Help and Review Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Small, non-living droplets that can regulate their internal environments are best known as _____

Question 2 2. Miller and Urey used all of the following substances to simulate Earth's early atmosphere _____ EXCEPT_____.

Question 3 3. Scientists have found fossils that show a sudden appearance of a new organism after decades of no change. Which form of evolutionary change best explains this?

Question 4 4. What scientist is credited with the idea that early life on Earth formed through a series of reactions that made simple compounds gradually more complex?

Question 5 5. On the Hawaiian Islands, there are several species that are similar and resemble a common ancestor. Each island has a slightly different ecosystem. Which of the following best explains how these different species came to be?

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Question 6 6. Which term best describes change over time?

Question 7 7. What method is used to determine the specific age of a rock or fossil?

Question 8 8. The idea that the earth is constantly changing and, therefore, life on earth is continually evolving is:

Question 9 9. Which of the following is NOT evidence for the endosymbiosis theory?

Question 10 10. Cells that are simple and contain no membrane bound organelles are called:

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Question 11 11. Which answer choice correctly orders the three major eons of Earth's history, from the oldest to the most recent?

Question 12 12. Scientists agree that Earth is about how old?

Question 13 13. What organelles in eukaryotic cells are thought to have originated from prokaryotic cells?

Question 14 14. Which of the following best describes an endosymbiont?

Question 15 15. The theory of endosymbiosis best explains:

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Question 16 16. The time period in Earth's history that saw the greatest increase in both the number and diversity of species is the:

Question 17 17. What type of event separates the Paleozoic, Mesozoic, and Cenozoic eras from one another in the Phanerozoic eon?

Question 18 18. What is the purpose of the device shown?

Question 19 19. The Archean and Proterozoic eons are grouped together as the:

Question 20 20. Which of the following theories best explains the mass extinction of the dinosaurs?

AP Biology - The Origin of Life on Earth: Help and Review Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

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