Water Planet Open Ocean

第 1 季，第 2 集: It Might Look Uniform From The Air As We Fly Over It But The Oceans Are Deep And Varied The Underwater Landscape Comprises Continental Shelves Volcanoes Mountains Valleys Trenches And Large Flat Plains Similar To The Landscape On Land Only On A Much Larger Scale Ocean Habitats Come In All Forms Underwater Creatures Make Homes Wherever Survival Is Assured