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 More Do I Need? finds out through his phone records that there is a number that he calls repeatedly every month. They discover that particular number belongs to Dr. Heller, a criminal psychologist. They attempt to call Dr. Heller posing as an insurance company, planning to get any information from Dr. Heller but failed. However, Dr. Heller is shocked to learn that Dave is currently in Fairview, and decides to book a plane there in the end of the episode. What More Do I Need? "What More Do I Need?" is the 94th episode of the ABC television series, "Desperate Housewives". It is the