Characteristics of various ocean zones, including variations in ocean temperature, salinity, and depth are discussed. The different groups of marine life and adaptations of plants and animals are highlighted. Estuaries and various freshwater environments, such as streams, rivers, ponds, and lakes are also explored. Other terminology includes: aquatic, sea anemone, benthos, plankton, nekton, intertidal zone, neritic zone, open ocean, running water, standing water, and biological productivity.

Originally released by Visual Learning, 2002. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015.

Water Biomes (2:05); --Marine Biomes (1:31); -- Ocean Life (2:34); -- Zones of the Oceans (3:07); -- Estuaries (1:19); -- Freshwater (1:09); -- Running Water (0:58); -- Ponds, Lakes, and Swamps (1:32); -- Water: Summing Up (0:59); -- Water: Video Quiz (2:57); -- Credits: Water (2:10); .