title: The biology of the lobe-finned fishes.
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D005399:Fishes / Q000033:anatomy & histology / Q000145:classification / Q000378:metabolism / Q000502:physiology; D005843:Geography; D008124:Locomotion; D008168:Lung / Q000033:anatomy & histology; D009584:Nitrogen / Q000378:metabolism; D010163:Paleontology; D012119:Respiration; D012863:Skeleton
chemical_list: D009584:Nitrogen