Chapter One Vocabulary * head start --> Yali's Question --> cargo a.k.a. cargo = metaphor for material culture * prehistory * non-/culture-preserving (no art/music) * Great Leap Forward --> voicebox + language + brain organization * parallel v. single evolution * range extension --> watercraft * geographic range * fluke-colonization theory * megafaunal species * protohumans --> humanoids --> humans * population growth + site profusion ==> virgin land colonization ==> virgin land colonization ==> animal extinction spasms = no domesticables (plants/animals) * or was climactic theory responsible for animal extinction spasms? * land mass + environmental diversity = ??