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Biological Anthropology Mystery Fossils Questions

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Anthony Gambino Amanda Christopher Biological Anthropology 11/6/17 Lab 10 (CHAPTER 16 exercises 1-6, critical thinking questions 1-8) Exercise 1 Work in a small group or alone to complete this exercise. Review the mystery fossils provided by your instructor (or depicted in the lab Appendix) and answer the following questions. 1. Which of these mystery fossils is ​Homo habilis? ​ a. Mystery fossil B is ​Homo habilis.​ 2. Which of these mystery fossils is ​Homo erectus​? a. Mystery fossil A is ​Homo erectus​. 3. Describe two traits you used to make these identifications. (Be sure to describe how each trait varies in the two fossils.) a. We can tell that mystery fossil A is ​Homo erectus​ because, unlike B, it's cranium is shaped less rounded and in more of a football shape. Mystery fossil A also has a much more pronounced brow ridge which is also more common among​ H. erectus. Exercise 2 Work in a small group or alone to complete this exercise. Use the Australopithecus afarensis and ​Homo erectus​ postcrania provided by your instructor (or depicted in the lab Appendix) to answer the following questions. 1. Describe two postcranial traits that differ between these two species. (Be sure to describe how each trait varies in the two fossils.) a. One difference we can see between ​A. afarensis​ and ​H. erectus​ is the length of the femur, and a second one being the shape of the rib cage. 2. What do these differences suggest about the two species’ ...
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