The U.S. tax system, which the IRS oversees and administers, is based on the principle of voluntary compliance. Duties and Powers. The IRS is responsible for enforcing the Internal Revenue Code (U.S.C.A. tit. 26), which codifies all U.S. tax laws.
Baleen: Also known as whalebone, baleen is a filter-feeder system inside the mouths of whales in the Mysticeti suborder. Plates of keratin grow from the gums of the upper jaw. When the whales feed, they take in large amounts of food-rich water and then use baleen to filter out the water while retaining krill.ifferent species of whales vary drastically in terms of both size and weight. Baleen whales in the Mysticeti suborder are generally larger than those of the Odontoceti suborder. The Mysticeti group includes the blue whale (Balaenoptera musculus)âthe largest animal ever to live on the planet.
Whale Uses Baleen Fashion Utilitarian. Baleen. Until the end of the 19th century it was baleen, rather than oil, that was the primary product sought by the Greenland whalers. Confusingly, baleen was always known as whale-bone by the whalers and by those who used it in manufacture. It is not bone, but a derivative of skin! Baleen whales eat small, planktonic crustaceans such as copepods and krill, or small shoaling fish including herring and sardines. These whales have no teeth, instead, they feed by straining their food from the sea using a series of baleen plates that are made of keratin, the same material that forms your hair and nails and the hooves and horns of cows.