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.
Entry-level positions require at least a bachelor's degree. Zoologists typically earn degrees in zoology, wildlife biology, ecology, or general biology. Coursework often includes classes on animal behavior and physiology, parasitology, virology, ecology, chemistry, mathematics, and statistical software.