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Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well. This video uses sounds from Freesound.org. Citations: http://biology.about.com/od/plantbiology/a/aa050605a.htm http://www.rsc.org/Education/Teachers/Resources/cfb/Photosynthesis.htm http://www.ncbi.nlm.nih.gov/books/NBK21598/ http://www.life.illinois.edu/govindjee/paper/gov.html http://scienceaid.co.uk/biology/biochemistry/photosynthesis.html http://www.biology-innovation.co.uk/pages/plant-biology-ecology/photosynthesis/ http://chemistry.about.com/od/lecturenotesl3/a/photosynthesis_4.htm http://www.bio.umass.edu/biology/conn.river/calvin.html http://www.talkorigins.org/faqs/thermo/probability.html Table of Contents: 1) Water 1:16 2) Carbon Dioxide 1:32 3) Sunlight/Photons 1:43 4) Chloroplasts 1:57 5) Light Reaction/Light-Dependent 2:42 a. Photosystem II 3:33 b. Cytochrome Complex 5:54 c. ATP Synthase 6:16 d. Photosystem I 7:06 6) Dark Reactions/Light-Independent 7:55 a. Phase 1 - Carbon Fixation 8:50 b. Phase 2 - Reduction 11:31 c. Phase 3 - Regeneration 12:02 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids