Stock photography, photos: college biology class Stock photos of College students and teacher in biology class with skeleton Photograph: © Bill Bachmann Click for a larger image and more information Keywords associated with this stock photo: professor, college, university, biology, anatomy, skeleton, skeletp-muscular system, bones, skull, study, teach, teacher, teaching, students, girls, young, women, African-American, Negro, black, white, Caucasian, classroom, class,education, ethnically diverse,ethnicity, ethnic diversity,