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AP Biology - The Origin of Life on Earth: Homework Help 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. What is the purpose of the device shown?

Question 2 2. Which of the following theories best explains the mass extinction of the dinosaurs?

Question 3 3. Which term best describes change over time?

Question 4 4. On the Galapagos 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?

Question 5 5. Small, non-living droplets that can regulate their internal environments are best known as _____

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Question 6 6. Cells that are simple and contain no membrane bound organelles are called:

Question 7 7. What organelles in eukaryotic cells are thought to have originated from prokaryotic cells?

Question 8 8. What type of event separates the Paleozoic, Mesozoic, and Cenozoic eras from one another in the Phanerozoic eon?

Question 9 9. What method is used to determine the specific age of a rock or fossil?

Question 10 10. The idea that the earth is constantly changing and, therefore, life on earth is continually evolving is:

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Question 11 11. The Archean and Proterozoic eons are grouped together as the:

Question 12 12. 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 13 13. The theory of endosymbiosis best explains:

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

Question 15 15. Scientists agree that Earth is about how old?

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Question 16 16. Miller and Urey used all of the following substances to simulate Earth's early atmosphere EXCEPT _____.

Question 17 17. Which answer choice correctly orders the three major eons of Earth's history, from the oldest to the most recent?

Question 18 18. Which of the following is NOT evidence for the endosymbiosis theory?

Question 19 19. The time period in Earth's history that saw the greatest increase in both the number and diversity of species is the:

Question 20 20. Scientists have found fossils that show a sudden appearance of a new organism after a period of no change. Which form of evolutionary change best explains this?

AP Biology - The Origin of Life on Earth: Homework Help Chapter 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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