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Well, something like a doctor or vet or botanist. People who work with things that have something related with living beings.

While biology is a field that will constantly have openings in the future, it is not for everyone.

First of all, any major in biology other that perhaps a teacher would be expected to get at least a masters. This means you would be dedicating 6+ years to a higher education in order to have a chance at a job. Even then, most will require a doctorate of some sort (PhD, MD, etc.).

In regards to the actual jobs, here are some examples:

Secondary Teacher is an option that would require the least amount of education most likely. This would only require you to get a bachelors degree and a teaching certification. Pay is decent, but everyone knows teachers get underpaid for what they do.

Researcher is a huge sector of the field. The various fields within biology are numerous, ranging from genetics and proteomics to evolutionary studies and behavior. This will require at least a masters, but more realistically, a PhD. The pay is not horrible, but is not the salary of an engineer either. People who go into the field have an appreciation and passion for biology, or atleast need one if they plan on staying in it.

Doctor is the biggest one most people will think of in this case. Doctors get paid well, some more than other depending on specialization. However, their education is strenuous, with undergraduate studies and then medical school after. In addition, they go through internships. It can take upwards of 12 years to become a doctor. It is not for the faint of heart. Much like researchers, it should only be a field explored if you are in it for the passion. Sadly, many go in it for the money.

Many others exist. The key is that a lot of biology professions require higher education than just the basic 4 years of undergraduate, which is key to understanding before deciding to be a biology major.

There are many different specialisms within biology - virology, parasitology, zoology, molecular biology, genetics, cell biology, physiology, botany, microbiology, environmental science, and many, many more.

If you do decide to study biology, you'll almost certainly specialise in your later studies (obviously, exactly what field you specilise in is up to you). Each of the different fields study something different in biology (microorganisms, genetics, etc.

You won't be able to become a medical doctor or a vet with a biological sciences degree: that requires a different degree (though you may be able to switch into such a degree, or go back and do another degree later).

With a basic degree in biological sciences, your job options could include basic research technician work, governmental work, working for a pharmaceutical company or a scientific supplies company, teaching (though this will require another qualification in teaching), etc. Becoming a professional scientist will require a postgraduate qualification - generally a PhD (which involves a further 3-5 years of study). These scientists are the ones who actually do research in university or research institute laboratories.

I personally am a research scientist: I got my BSc in Cell Biology, and then a PhD in Biochemistry, and now work researching in the area of Tissue Engineering (growing organs and tissues in the lab for possible future therapeutic use).