Assignment task:
1. What indications do we have skeletally speaking that Lucy and her kind still could move in the trees like other apes?
2. What were Australopithecines' teeth like?
3. What primitive (ancestral) traits make this Australopithecus afarensis (Lucy's kind) less like us? What derived (advanced traits) make Australopithecus afarensis (Lucy's kind) more like us?
4. What do we know about species like Sahelanthropus tchadensis, Ardipithecus, and the later Australopithecines?
5. Why bipedalism? What did walking on two feet offer that getting around on all fours didn't?
6. What physical traits are associated with bipedalism?
7. What were the first hominins like- i.e, their physical traits? What changes suggest a shift towards bipedalism? What ancestral traits did they retain (facial features, brain size, sexual dimorphism, limb length)
8. Honing chewing complex with long canines and diastema in non-human apes. what is the function of honing canines?
9. Note how the chimpanzee pelvis (specifically the innominate blade) is tall, narrow, and flat, so that the iliac crest lies flat across the back.
10. What is a primate? How do they differ from other mammals?