Evolution of photosynthesis Evolution of photosynthesis The evolution of photosynthesis refers to the origin and subsequent evolution of photosynthesis, the process by which light energy synthesizes sugars from carbon dioxide, releasing oxygen as a waste product. The process of photosynthesis was discovered by Jan Ingenhousz, a Dutch-born British physician and scientist, first publishing about it in 1779. The first photosynthetic organisms probably evolved early in the evolutionary history of life and most likely used reducing agents such as hydrogen or electrons, rather than water. There are three major metabolic pathways by which photosynthesis is carried out: C photosynthesis, C photosynthesis, and CAM photosynthesis.
What Cha' Gonna Do for Me What Cha' Gonna Do for Me What Cha' Gonna Do for Me is the Gold certified third solo album by American R&B/funk singer Chaka Khan, released on the Warner Bros. Records label in 1981. Three singles were released from "What Cha' Gonna Do": the Beatles cover "We Can Work It Out" (US R&B #34), the McCrarys cover "Any Old Sunday" (#68) and the album's title track which became a number one hit on "Billboard" R&B Singles chart. On Billboard's charts, the album reached #3 on Black Albums, #33 on Jazz Albums, and #17 on Pop Albums. This would be Chaka's