The minimum requirement for admission to the master of science degree program is a baccalaureate degree with a major in an area of biological sciences or in a closely related field such as biochemistry or biophysics. The baccalaureate degree should have courses equivalent to those required for the B.S. degree at NIU, including organismal diversity, two semesters of principles of biology, and genetics, chemistry through one year of organic, one year of physics, and mathematics through introductory calculus. An applicant whose native language is not English must present an IELTS score of 6.5 or alternatively, a TOEFL score of at least 80 on the TOELF ibt. Normally, to be considered for admission, a non-U.S. citizen shall have completed a four-year undergraduate degree. A minimum 2.75 overall GPA on a 4.00 system or a 3.20 GPA with 15 or more semester hours of graduate work at an accredited institution.