title: Evolutionary biology: how to build a longer beak.
authors.forename: Nipam H
authors.initials: NH
authors.lastname: Patel
mesh_terms: D000818:Animals; D001502:Beak / Q000033:anatomy & histology* / Q000196:embryology / Q000378:metabolism; D005075:Biological Evolution; D019485:Bone Morphogenetic Proteins / Q000378:metabolism; D002147:Calmodulin / Q000235:genetics / Q000378:metabolism*; D002642:Chick Embryo; D046369:Finches / Q000033:anatomy & histology* / Q000145:classification / Q000235:genetics / Q000378:metabolism*; D020411:Oligonucleotide Array Sequence Analysis
chemical_list: D019485:Bone Morphogenetic Proteins; D002147:Calmodulin