title: How plants learned to breathe.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D017360:Arabidopsis / Q000378:metabolism; D005075:Biological Evolution; D058431:Brachypodium / Q000378:metabolism; D002245:Carbon Dioxide / Q000378:metabolism*; D005580:Fossils; D008855:Microscopy, Electron, Scanning; D054046:Plant Stomata / Q000378:metabolism* / Q000648:ultrastructure; D044003:Sphagnopsida / Q000378:metabolism
chemical_list: D002245:Carbon Dioxide