Life in the ocean.Water - the ideal environment for plants and animals. It transmits light , contains oxygen , there is no sudden temperature changes on the surface , as well as many essential nutrients and compounds. The high density of water supports animal afloat , so here inhabit the largest animals on Earth .Most marine plants and animals live along the coast and in the surface waters , where more light and food. They can move with ocean currents as plankton, or swim on their own, like whales .Living in different oceans and similar and varied simultaneously. For example, in the Indian Ocean meets many of the same animals as in the Pacific , as these oceans have long been reported between soboy.Bolshaya Indian Ocean is now a sanctuary for whales. (Example )Arctic and Antarctic animals adapted to life on the ice floes and other cold winters . Large mammals , such as narwhal, polar bears and seals feed on a variety of fish species . (Example )Animals Pacific varied from sea spider crab and giant octopuses northern ocean to giant clams , clams .In the Atlantic, lives less than animal and plant species than Tihom.Teplolyubivye species such as sea turtles are found in the Caribbean. Squid fishing - the largest industries in the Falkland Islands. In the Mediterranean, there are several unique species of plants and animals, such as beautiful and precious red corals .Such a variety of living organisms , because originally it was home to the ocean of all organisms on Earth . All are adapted for life in this high pressure , as the same pressure exists in them. Besides the ocean this place is not only the most of giant animals like whales, but also the most amazing that live at the bottom of the ocean sea in complete darkness. (Example)