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 other surprising need of all living things is shelter of some sort. Many living things are capable of making their own shelter (like a snail has a shell or a human builds homes), but all living things have fragile parts that need to be protected from the environment.