College level Science class...your opinion?

In high school, I was an A student in all science classes and I never studied.
In college, I got mostly B's in my required basic science classes and I never studied.

The thing is in college you have to study. It's not like high school where you have class daily, which is a constant review of what you do everyday so you don't have time to forget what you learned hence why I never studied and got A's. College is like class only twice a week so if you don't study then you'll forget everything; this goes for all courses.

So the things you want to consider are:
Will this affect your GPA greatly?
Is this Class required in general? for your major?
If it's for your major then find out if you need minimum grade requirements.
Also, in some colleges, there's a Pass or Fail option. P(pass) grade WILL NOT average in the grade to your GPA. F(fail) grade WILL average in your GPA. Check your school's bulletin (the guide book) for more details.

Jam it back in, in the dark.