title: Evolution: Mouth to mouth.
authors.forename: Henry
authors.initials: H
authors.lastname: Nicholls
mesh_terms: D000818:Animals; D005075:Biological Evolution; D015509:Developmental Biology; D005580:Fossils; D006196:Hagfishes / Q000033:anatomy & histology* / Q000145:classification* / Q000196:embryology / Q000235:genetics; D006257:Head / Q000033:anatomy & histology; D006801:Humans; D007798:Lampreys / Q000033:anatomy & histology* / Q000145:classification* / Q000196:embryology / Q000235:genetics; D035683:MicroRNAs / Q000235:genetics / Q000378:metabolism; D008954:Models, Biological; D010802:Phylogeny; D012754:Sharks / Q000033:anatomy & histology / Q000145:classification / Q000196:embryology
chemical_list: D035683:MicroRNAs