Ecological and evolutionary genetics span many disciplines and virtually all levels of biological investigation, from the genetic information itself to the principles governing the complex organization of living things. The ideas and informa- tion generated by ecological and evolutionary genetics provide the substance for strong inferences on the origins, changes and patterns of structural and functional organization in bio- logical communi ties. It is the coordination of these ideas and thoughts that will provide the answers to many fundamental questions in biology. There is no doubt that...