Students who major in zoology spend a lot of time outdoors studying animals and their habitats. They also study the effects of humans on animals' environment and how to lessen these effects. Some jobs in zoology require an associate or a bachelor's degree, while others demand a degree that takes longer to obtain.
Every living organism needs a home, shelter or environment that provides the safety, ideal emperature and basic things it needs to survive. more science lessons: Asexual Reproduction
The bare necessities humans need to live are food, water and shelter. Bacteria have these same needs; they need nutrients for energy, water to stay hydrated, and a place to grow that meets their environmental preferences.he bare necessities humans need to live are food, water and shelter. Bacteria have these same needs; they need nutrients for energy, water to stay hydrated, and a place to grow that meets their environmental preferences.