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
Blended Family (What You Do for Love) Blended Family (What You Do for Love) "Blended Family (What You Do for Love)" is a song by American recording artist Alicia Keys, featuring vocals from rapper ASAP Rocky. It was written by Keys, Rocky, John Bush, Brandon Aly, Tish Hyman, Dave Kuncio, Kenneth Withrow and Edie Brickell for her sixth studio album "Here" (2016), while production was helmed by Keys and Mark Batson. The song refers to the former marriage of Keys' husband Swizz Beats and musician Mashonda Tifrere. It was released on October 7, 2016 by RCA Records. The music video, filmed in black-and-white, was released on November