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Critical Thinking Questions b. Which parts of the Lucy skeleton are most informa

ID: 218929 • Letter: C

Question

Critical Thinking Questions b. Which parts of the Lucy skeleton are most informative? thecus primitive? Why do many paleoanthropologists classify these forms as hominins? How sure are we? Assume that you are in the labo- ratory analyzing the Lucy A. afa rensis skeleton. You also have complete skeletons from a chim panzee and a modern human a. Which parts of the Lucy skel 1. Assume you have been asked to compare the paleoanthropologi cal evidence (including hom inin fossils) from two sites in East Africa. What sorts of dating techniques might you use, and why would you choose one over another? Be sure to discuss and compare at least one relative dat ing and one chronometric dating technique Write down a list of the areas of expertise needed to conduct a paleoanthropological investiga tion from start to finish. Then list what each specialty contrib- utes to the overall project. Why are multidisciplinary efforts so important for ensuring success? 4. 3. eton are more similar to thee chimpanzee? Which are more similar to the human? 2. In what ways are the remains of Sahelanthropus and Ardipi

Explanation / Answer

1. Stratigraphy.

This is the oldest relative daring method which is based on the principle that the newest strata or layer of the earth lays on the top whereas the ones at the bottom are old. This technique compares the two fossils by what layer they lay in if they lay in the same strata they must be belong to the same period. However if one of them is at top layer comparing than the other then it is younger than the other

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