Bioluminescence and chemiluminescence.
D000818:Animals; D001181:Arthropods / Q000378:metabolism; D001419:Bacteria / Q000378:metabolism; D001669:Biochemical Phenomena; D001671:Biochemistry; D003063:Cnidaria / Q000378:metabolism; D004579:Electron Transport; D049454:Firefly Luciferin / Q000096:biosynthesis; D005399:Fishes / Q000378:metabolism; D008156:Luciferases / Q000378:metabolism; D049449:Luminescence; D008974:Mollusca / Q000378:metabolism; D010777:Photochemistry; D010782:Photolysis; D013045:Species Specificity
D049454:Firefly Luciferin; D008156:Luciferases