Evolution of photosynthesis era around 2 billion years ago. Modern photosynthesis in plants and most photosynthetic prokaryotes is oxygenic. Oxygenic photosynthesis uses water as an electron donor, which is oxidized to molecular oxygen () in the photosynthetic reaction center. Timeline of Photosynthesis on Earth Several groups of animals have formed symbiotic relationships with photosynthetic algae. These are most common in corals, sponges and sea anemones. It is presumed that this is due to the particularly simple body plans and large surface areas of these animals compared to their volumes. In addition, a few marine mollusks "Elysia viridis" and "Elysia chlorotica" also maintain a
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