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
Primitive homes were made to meet the basic need of shelter. Because of crude tools and architecture, windows were simply holes in the wall. Over time, different materials were used to cover these holes to allow sunlight to pass through. Animal skins, cloth, and wooden window dressings were the technology available early on.