Biology is the natural science that studies life and all living organisms. Biology is important to everyday life because it allows humans to better understand their bodies, their resources, and potential threats to the environment. Without it, people would have a hard time understanding what truly makes them a human and how the human body works. It is the foundation for many careers, like medicine. If you need a teacher in biology, it is best to get one before things get too confusing. Find out just what you want to do with life with a career in biology.