筛选: Committee Weinschenk, Matthew, Emory University 删除限定条件 Committee: Weinschenk, Matthew, Emory University Keyword Differential Fitness 删除限定条件 Keyword: Differential Fitness Keyword Environmentally Acquired Symbiosis 删除限定条件 Keyword: Environmentally Acquired Symbiosis Keyword Host Symbiont Interactions 删除限定条件 Keyword: Host Symbiont Interactions