nsfw:racy: Possible ocr: SEA MAMMALS OLPHINS, whales, seals, walruses, D and manatees are all mammals, but they are adapted to live in water. They have a streamlined shape, flipperlike forelimbs, no ear flaps or visible hindlimbs, and a flat tail. In addition, whales and seals have a Flipperlike forelimb layer ofblubber under the skin to keep them warm. swimmers Dolphins, whales, leave and the Both whales Strong dolphins swim by and manatees never sea; they even mate and moving their tail give birth in the water. up. and down, not Newborns are pushed sideways as fish do. to the surface for their first breath ofair. Se ...