title: Coevolution: the geographic mosaic of coevolutionary arms races.
abstract: Coevolutionary arms races between species can favor exaggeration of traits for attack and defense, but relentless escalation of these arms races does not necessarily occur in all populations.
authors.affiliation: Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, California 95064, USA. Thompson@biology.ucsc.edu
authors.forename: John N
authors.initials: JN
authors.lastname: Thompson
mesh_terms: D000220:Adaptation, Biological; D000818:Animals; D005075:Biological Evolution; D028244:Camellia / Q000033:anatomy & histology / Q000235:genetics; D005843:Geography; D008962:Models, Theoretical; D012641:Selection, Genetic; D013045:Species Specificity; D048889:Weevils / Q000502:physiology