In [[biology]], a creature is considered endothermic if it has an internal mechanism by which it can regulate its own body temperature, keeping it constant.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> More generally, an endothermic process is any process that uses up more [[heat]] than it produces. | In [[biology]], a creature is considered endothermic if it has an internal mechanism by which it can regulate its own body temperature, keeping it constant.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> More generally, an endothermic process is any process that uses up more [[heat]] than it produces. |