Fauna of Europe of the Baltic Sea has led to the evolution of many slightly divergent species, such as the Baltic Sea herring, which is a smaller variant of the Atlantic herring. The most frequent benthic species are "Saduria entomon" and "Monoporeia affinis", which is originally a freshwater species. A great part of its bottom is anoxic and without animal life. The Baltic Sea and North Sea are also home to a variety of marine mammals (common seals, grey seals). Europe contains several important freshwater ecoregions, including the heavily developed rivers of Europe, the rivers of Russia, which flow into the Arctic, Baltic,
Action in the North Atlantic Action in the North Atlantic Action in the North Atlantic (also known as Heroes Without Uniforms) is a 1943 American black-and-white war film from Warner Bros. Pictures, produced by Jerry Wald, directed by Lloyd Bacon, that stars Humphrey Bogart and Raymond Massey as sailors in the U.S. Merchant Marine during World War II. Typical of other films in the era, "Action in the North Atlantic" was created as a morale boosting propaganda film. As noted by film critic Bosley Crowther, "... it's a good thing to have a picture which waves the flag for the merchant marine. Those boys are