It's probably a 1st year lecture, those students that are actually concentrating in biology or a related-field already took an AP in high-school, and the rest n

It's probably a 1st year lecture, those students that are actually concentrating in biology or a related-field already took an AP in high-school, and the rest need to fill graduation requirements with a science course. It's a test to see if you read a textbook for 20 hours.