1 Letâs not forget estrogen, progesterone, and testosterone, also known as the minor hormones. 2  Adequate levels of estrogen seem to help in hunger regulation, simulating the soothing âfullâ or satiety effect of serotonin.
Education. To land an entry-level job, zoologists and wildlife biologists need a bachelor's degree in zoology, wildlife biology, ecology, animal science or environmental studies. Key classes include anatomy, wildlife management, cellular biology and ecology.ou donât need certification to become a zoologist or wildlife biologist, but you do need extensive education. Some trade groups offer optional certification for wildlife biologists who want to burnish their credentials.
Conservation biologists are concerned with the protection and sustainability of natural resources like air, water, land and wildlife. The job requires at least a bachelor's degree in a scientific field like biology, though graduate-level programs are often required, especially if teaching and research is a career goal. Many conservation biologists work with the government or private agencies, serving as consultants on land use issues.