9781422279168

WORDS TO UNDERSTAND ampullae of Lorenzi sensing organs found in sharks and rays that can detect electrical signals from other animals benthic of or relating to the bottom of a body of water cartilage a firm, flexible tissue, found in the skeletons of young vertebrates and other animals embryo an unborn animal that is still in the process of development pelagic of or relating to the waters of open oceans or seas