title: Selection Experiments as a Tool in Evolutionary and Comparative Physiology: Insights into Complex Traits--an Introduction to the Symposium.
authors.affiliation: Department of Biology, University of South Dakota, Vermillion, South Dakota 57069.
authors.forename: John G
authors.initials: JG
authors.lastname: Swallow
authors.forename: Theodore
authors.initials: T
authors.lastname: Garland