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Phylogeny and the Classification of 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!

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Question 1 1. According to the cladogram shown, which organisms are most closely related?

Question 2 2. Primates can be grouped into two main categories. Which of the following correctly pairs the group with the location?

Question 3 3. Which of the following correctly displays a scientific name using binomial nomenclature?

Question 4 4. Humans are animals which are best classified as:

Question 5 5. Animals that do not have a back bone are best known as:

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Question 6 6. A derived trait is one that

Question 7 7. Which of the following would not be expected to result in homoplasy?

Question 8 8. A group that consists of all the evolutionary descendants of a common ancestor is called

Question 9 9. Which of the following CORRECTLY pairs the group of archaebacteria with the environment in which the group lives?

Question 10 10. Suppose you are writing a scientific paper about a unicellular green alga called Chlamydomonas reinhardtii. What is the proper way to refer to this species after the full binomial has been used once?

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Question 11 11. Which domain contains both the plant and animal kingdoms?

Question 12 12. Which of the following differentiates humans from other hominoids?

Question 13 13. The most important attribute of a biological classification scheme is that it

Question 14 14. Which of the following is not a distinctive characteristic of primates?

Question 15 15. Which of the following lists of taxonomic categories ranks them properly (from most inclusive to least inclusive)?

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Question 16 16. Which of the following statements about reconstructing phylogenies is false?

Question 17 17. A synapomorphy is

Question 18 18. Which of the following is a characteristic of fungi?

Question 19 19. Which of the following does not describe plants?

Question 20 20. What characteristic does not describe both plants and fungi?

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Question 21 21. The hominoid group includes all of the following except:

Question 22 22. Scientists hypothesize that the evolutionary ancestor of both plants and fungi were:

Question 23 23. By analyzing DNA, scientists have hypothesized that _____ are evolutionary ancestors of plant-like protists such as red and green algae.

Question 24 24. Which term best describes a group of species without a known common ancestor?

Question 25 25. According to the phylogenetic tree, which organisms are the least related to each other evolutionarily?

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Question 26 26. Which level of organization in taxonomy is the most specific?

Question 27 27. Archaea are more closely related to _ than to any other monophyletic group.

Question 28 28. What was Linnaeus's classification system based on?

Question 29 29. If a clade has a known common ancestor and displays all of its descendants, it is called:

Question 30 30. Which of the following statements describes a purpose for which biologists use phylogenetic trees?

Phylogeny and the Classification of 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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