1-3Hour(s) Credit Readings designed to permit in-depth study of selected topics. Students submit written reports of their findings at the end of the semester. Specific topics are indicated on students’ transcripts. Prerequisites Sixteen credits in biology, permission of instructor. Only three credits may count toward the major; May receive credit within the major for up to six credits combined of BIOL 415, BIOL 416, BIOL 417 and BIOL 420.