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.
While some colleges and universities allow you to declare a zoology major at the undergraduate level, you won't be able to find many attractive career opportunities with only a bachelor's degree in the field. In order to become a zoologist, you need to complete graduate studies and work through a doctoral degree. Zoologists are typically trained for several years at a college or university and are involved with a variety of research projects before they can apply for a position in their field.