title: Evolution: Five Heads Are Better Than One.
abstract: Three newly discovered species of fig-living nematodes display remarkable diversity in head morphology depending on their local environment. This shows that a great deal of ecological diversity can be maintained in the absence of substantial genetic variation.
authors.affiliation: Institute of Ecology and Evolutionary Biology, University of Oregon, Eugene, OR 97403, USA. Electronic address: pphil@uoregon.edu.
authors.forename: Patrick C
authors.initials: PC
authors.lastname: Phillips
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004463:Ecology; D014644:Genetic Variation; D006257:Head; D010802:Phylogeny