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Classification of Living Organisms 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!

Page 1

Question 1 1. According to the phylogenetic tree, which organisms are the least related to each other evolutionarily?

Question 2 2. Which term best describes a group of species without a known common ancestor?

Question 3 3. If a clade has a known common ancestor and displays all of its descendants, it is called:

Question 4 4. Which of the following terms best describes a graphic display of the evolutionary relationships for organisms with a shared common ancestor?

Question 5 5. According to the cladogram shown, which organisms are most closely related?

Page 2

Question 6 6. The part of science dealing with naming and classifying organisms is called _____.

Question 7 7. Which one of the following is the correct order of taxa from narrowest to broadest?

Question 8 8. The two-part naming system used for all species is called which of the following?

Question 9 9. Which of the following is true about Carolus Linnaeus?

Question 10 10. Linnaeus's original system of classification _____.

Page 3

Question 11 11. What is the last universal common ancestor (LUCA)?

Question 12 12. What are the three domains of life?

Question 13 13. The Bacteria and Archaea are

Question 14 14. The Eukarya

Question 15 15. Which statement most accurately describes the Tree of Life?

Page 4

Question 16 16. According to the evolutionary tree below, which would make a monophyletic group?

Question 17 17. Which animal is our closest living relative?

Question 18 18. According to the evolutionary tree below, which are sister taxa?

Question 19 19. What is the study of evolutionary relationships called?

Question 20 20. Which is NOT true of evolutionary trees?

Page 5

Question 21 21. Which domain contains both the plant and animal kingdoms?

Question 22 22. What was Linnaeus's classification system based on?

Question 23 23. Why are there six kingdoms of life now instead of the original two that scientists developed?

Question 24 24. Which level of organization in taxonomy is the most specific?

Question 25 25. Which of the following statements about taxonomic levels is correct?

Classification of Living Organisms 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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