Getting a biology degree qualifies you in a fundamental science discipline. To launch a career related to your degree, you'll generally need to do further study in science, health or teaching.
You should consider being a manager. No matter where you work, management jobs exist. After all, someone has to do the planning and organising. Management is associated with higher pay and more personal control.
Marketing is a multi-faceted, multi-dimensional business activity. Whether it's coordination, creative vision or something else, you'll find a marketing career to suit your talents and preferences.
Did you know that an MBA is often the preferred qualification for certain job types? The qualification has more than general value. It creates opportunities for jobs such as account executive or business consultant.
It's true that the best opportunities for a nutrition career come from being a dietitian. For that, you essentially need to do an advanced science degree. Alternative career options include food sales and marketing.
Job opportunities for psychology graduates are often found outside the psychologist discipline. To get value from your degree, your best prospects could be in teaching, marketing, public relations or community work.