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9.8: Review Questions
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- What is the difference between a “derived” versus an “ancestral” trait? Give an example of both, seen in Au. afarensis.
- Which of the paleoenvironment hypotheses have been used to describe early hominin diversity, and which have been used to describe bipedalism?
- Which anatomical features for bipedalism do we see in early hominins?
- Describe the dentition of gracile and robust australopithecines. What might these tell us about their diets?
- List the hominin species argued to be associated with stone tool technologies. Are you convinced of these associations? Why/why not?