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.
Health educators are also responsible for collecting and analyzing data for the purpose of researching, designing, and presenting preventative health care programs. These individuals must be able to inform and organize community coalitions in order to address concerns and issues that effect the health of communities.