title: Primitive ladder-of-life thinking has evolved.
authors.forename: U
authors.initials: U
authors.lastname: Kutschera
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004734:Energy Metabolism; D011235:Predatory Behavior; D037401:Scyphozoa / Q000033:anatomy & histology* / Q000502:physiology*