Community college can totally leave you feeling like this, especially the gen ed courses full of freshman...because a lot of time the professors don't really think that the students will "last long," that they're in community college because they weren't "good students" and wil lprobably drop out anyway.
It's total BS, I know, but it can be true.
Just do what most of the guy here have said: always attend class on time, so that the professor knows that your serious...this is mostly for small-class community college courses, not the 100-student-a-class universities. (I can't tell you how many freshman courses I got grades in where the only factor of grading seemed to be attendance). And do your best on your homework, e-mailing when your confused also shows that you care about your education, and the professors will appreciate that, or at least take it into consideration when grading you.
Hope it helps.
Everyone else, stop creating drama and just help the guy out.