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 reality is a lack of suitable alternatives. The following are common reasons reasons why homeless people choose homelessness over the available services: 1. Safety. Many homeless people avoid using shelter services for fear that their personal safety could be compromised. Whilst most shelters take precautions where practical they are often run, through necessity, on skeleton staff levels of volunteers who are likely not professionally qualified to deal with violent conduct and as such cannot guarantee personal safety.