Zoologists try to answer many questions about animals. For example, they conduct research to determine how animals carry out the activities of their lives.
Zoologists observe the ways animals interact with one another and their environment.
They also try to find out how people and animals affect one another. The study of zoology has benefited people in many ways. Human beings and animals have many similar body parts and body functions. As a result, zoology forms a basis for understanding human medicine and other health-related fields. Some animals, such as certain insects and worms, can be harmful to people.