Not too easy. Not too difficult.
Study everything for his tests:notes for lectures, the slides, the recommended reading, the practice tests, and the practice quizes. You will fail if you don't try hard.
Do NOT take it online unless you're a bio whiz.
Hours per week:
Advice for students:
Unfair grading system, everyone did bad, hence a problem with the teacher, yet he didn't curve it for his teaching inabilities.