Ecology: Life at the Edge of the SeaThis Science Screen Report explores the challenges that marine plants and animals face in rocky shoreline areas, and vividly illustrates the diversity of those life forms. Examining crustaceans, gastropods, mollusks, and other shoreline creatures, the program shows how tide pools form a marine sub-habitat, and how rocky shore dwellers have evolved specific abilities to survive powerful waves and gather food from the ebb and flow of tides. The medicinal value of certain tidal zone organisms is also discussed in detail (25 minutes)