- Life science is the branch of science that deals with the study of life processes. The term biology is also used synonymously.
- Human biology is defined as study of human as a living organism and his relationship with other living organisms.
- Agriculture is defined as study of raising crops and livestock rearing.
- The study of humans and their interaction with the society is called anthropology.
- Biometrics involve the verification of a person by his body features such as fingerprints, the pattern of iris in the eye and behavioural characteristics.