title: Evolutionary biology: patchy food may maintain a foraging polymorphism.
abstract: Two naturally-occurring alleles in the nematode Caenorhabditis elegans that differ by a single amino acid and cause striking differences in foraging behavior are probably maintained by selection in patchy environments.
authors.affiliation: Department of Biology, New York University, New York, NY 10003, USA. kk52@nyu.edu
authors.forename: Karin
authors.initials: K
authors.lastname: Kiontke
mesh_terms: D000483:Alleles; D000818:Animals; D005075:Biological Evolution; D017173:Caenorhabditis elegans / Q000235:genetics*; D004777:Environment; D005247:Feeding Behavior; D011110:Polymorphism, Genetic; D012641:Selection, Genetic