Linked from
The 24 pages that link to Calvin cycle, each with the reason it gives.
Primary productionBroader topic: It supplies fixed carbon for much oxygenic primary production.
ChemolithotrophyBroader topic: Some chemolithotrophs use this pathway to assimilate carbon dioxide.
PlantBroader topic: This cycle builds carbon compounds from the carbon dioxide plants absorb.
AutotrophBroader topic: Many photosynthetic autotrophs use this cycle to fix carbon.
Melvin CalvinBroader topic: This pathway is the defining scientific result associated with Calvin.