To get out of the course you then have to withdraw. No one can prevent you from withdrawing from a course before the withdrawal deadline. Please note, though, that I recommend against too many withdrawals. These grades appearing frequently on your transcript mark you as a quitter, or a person who does not know their own capacity, or a person likely to fail for these two reasons. Avoid these at all costs by dropping the course within the drop period.
Poor performance is a good reason to try harder.
Career Advice I strongly urge you to use the Career Planning office on campus. They can help you focus your thinking toward a career path. Independent Study Etc. There are several options for independent study. In a subsequent semester you may take BIO 480.