Filtering by: Committee De Roode, Jacobus, Emory University Remove constraint Committee: De Roode, Jacobus, Emory University Committee Gerardo, Nicole Marie, Emory University Remove constraint Committee: Gerardo, Nicole Marie, Emory University Degree PhD Remove constraint Degree: PhD Year 2012 Remove constraint Year: 2012 Keyword Monarch butterfly Remove constraint Keyword: Monarch butterfly Submission Type Dissertation Remove constraint Submission Type: Dissertation