Evolution of photosynthesis C photosynthesis is the oldest and most common form. C3 is a plant that uses the calvin cycle for the initial steps that incorporate CO2 into organic material. C4 is a plant that prefaces the calvin cycle with reactions that incorporate CO2 into four-carbon compounds. CAM is a plant that uses crassulacean acid metabolism, an adaptation for photosynthesis in arid conditions. C4 and CAM Plants have special adaptations that save water. The biochemical capacity to use water as the source for electrons in photosynthesis evolved in a common ancestor of extant cyanobacteria. The geological record indicates that this transforming event
Get What You Need more innocent, drunken, loutish times with a smile on the faces of everyone in your immediate vicinity" and recommended the album. "Uncut Magazine" gave a favorable review as well, remarking that its songs "inhabit the same ageless corner of garage band heaven as earlier classics". In contrast, "Blender" gave it two stars out of five—'mediocre'—and stated that "they sound more like a road-toughened bar band". Get What You Need Get What You Need is a 2003 studio album by an Irish power pop/punk rock band The Undertones. It is the band's first collection of new studio material since their reformation