PS Statement of Purpose. This is a 1–2 page essay describing the applicant’s reasons for considering graduate study, goals after completion of the graduate degree, and the applicant’s specific areas of interest. GPA A minimum grade-point average of 3.00 (on a 4.00 scale) is required for the junior/senior years of the baccalaureate degree and in all courses in the biological and physical sciences regardless of when taken. Admission to the Ph.D. program requires an M.S. or equivalent degree in natural science with a cumulative grade point average of 3.25 for the master’s program. Fee A $65 nonrefundable application fee is required for degree admission and postbaccalaureate (including graduate) credit certificate programs. A $30 nonrefundable application fee is required for nondegree admission. RL Three letters of recommendation. These should be from persons who are best qualified to evaluate the applicant’s ability to succeed in graduate study. This may include previous academic advisers, instructors who are familiar with the applicant’s work from their classes, supervisors from research projects, employment supervisors, or others who are able to evaluate the applicant’s academic ability and motivation. Transcript Two official transcripts from each institution attended.