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
Liquid Liquid Liquid Liquid Liquid Liquid is an American no wave and dance-punk group, originally active from 1980 to 1983. They are best known for their track "Cavern," which was covered by the Sugar Hill Records house band as the backing track for Melle Mel's old school rap classic "White Lines (Don't Do It)." The group released a series of extended plays, including the acclaimed 1983 12" EP "Optimo". In 2008, the band reformed, playing in various venues around the globe. Liquid Liquid emerged from downtown New York's no wave scene. The group's original records were pressed in very limited quantities on