Joe Hamiska's expedition is hoping to locate a fossil from an ape-like hominid that lived about what time period?

1.   ?    25,000 years ago
2.   ?    130,000 years ago
3.   ?    1.6 million years ago
4.   ?    3.5 million years ago or longer

What hints does the author give the reader to look for connections between the "Now" and the "Then" chapters?

1.   ?    same location
2.   ?    Vinnie, like Li, feels alienated from her family group.
3.   ?    physical similarities

What similarities can you find between Australopithecus afarensis (Lucy's species) and the child of "Then"?

1.   ?    walk upright
2.   ?    eat protein
3.   ?    family groupings