ANT - LAB 09.docx - Michaela Butler Amanda Christopher...

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Michaela ButlerAmanda ChristopherBiological Anthropology11/1/17LAB 9CHAPTER 15: exercises 1-6 and critical thinking questions 1-5Exercise 1Work in a small group or alone to complete this exercise. Refer to the casts provided by your instructor (or the pictures in the lab Appendix) to answer the following questions.1.Which of these mystery australopithecines is a later, more robust form?
2.Describe two anatomical traits you used to make this determination. (Be sure to describe how each trait varied in the two fossils.)
Exercise 2Work in a small group or alone to complete this exercise. Review the casts provided by your instructor (or the pictures in the lab Appendix) and answer the following questions.1.Which of these mystery fossils is Australopithecus robustus?
.2.Which of these mystery fossils is Australopithecus boisei?
3.Describe one trait you used to make these identifications. (Be sure to describe how the trait varied in the two fossils.)
Exercise 3Work in a small group or alone to complete this exercise. Review the casts provided by your instructor (or the picture in the lab Appendix) and answer the following questions.1.Describe two postcranial traits that indicate Au. afarensis was adapted for bipedalism.
2.Compare the Lucy (Au. afarensis) postcranial to the human (Homo sapiens) postcrania depicted in Figure 5.11 (Lab 5). Describe two postcranial traits that differ between these species.
3.What does this suggest about the kind of bipedalism practiced by Au. afarensis?

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