Not too easy. Not too difficult.
She's smart, really knows the material, but doesn't communicate it very well.
'Atrocious' is, I believe, a most proper word to describe Dr. he's abilities to MAINTAIN INTEREST in something as interesting as Biology (dude... I LOVED biology... note the tense).
Hours per week:
Advice for students:
Maybe as a lecturer (to a half-asleep and half-absent class) she might do some justice to 'teaching'.