In addition to differentiation by species, zoology also encompasses other types of research, such as animal physiology, behavioral ecology, evolutionary biology and ethology, the study of animal behavior.
Public health is personal. Public health professionals focus on preventing disease and injury by promoting healthy lifestyles. They implement educational programs, develop policies, administer services, conduct research, and regulate health systems to achieve these goals.
A nurse educator is a registered nurse who has advanced education, including advanced clinical training in a health care specialty. Nurse educators serve in a variety of roles that range from adjunct (part-time) clinical faculty to dean of a college of nursing.