41. Derived from a marine tunicate of the family Didemnidae, didemnins exhibit antitumor, antiviral and immunosuppressive qualities. 42. The submersible covers an area about the size of a football field, meticulously searching for the predatory tunicates . 43. "Oh where, oh where has my tunicate gone ? " the crew sang in unison. 44. Tunicates are commonly known as sea squirts because they pump water through their bodies to filter out food particles.45. Sea squirts-- also known as tunicates -- look like the humblest of animals, perhaps spongelike. 46. The Thaliacea, the other main class of tunicates , is characterised by free-swimming, pelagic individuals. 47. Beginning with studies of sponges and tunicates , he became an internationally recognized researcher on the genetics of race. 48. Of the marine organisms that are protected by the Jadranski bra i, and the Tunicate , Jadranski ciganin. 49. The abdominal organs of other tunicates are instead located to one side of the pharyngeal basket in this group. 50. "Doliolum " is a genus of tunicates , the members of which move via jet propulsion.
