Life sciences involve studies in the realm of biological, medical, and biochemical sciences.  Some of the  main areas of Life Sciences are:

Anthropology: The study of humankind's evolution through physical, behavioral, sociological and cultural changes from the first hominids to present day society. Egyptology is an Anthropological research category

Biology: The study of all living organisms from a structural, functional and evolutionary point of view.  Genetics and Zoology are two fields of Biological research.

Ecology: The study of the relationship between a biological entity and its environment.  Ethno Botany is an Ecological research category.

Medicine: Is the science of diagnosis, treatment, and/or prevention of diseases or any other affliction of the human body and mind. Cardiology is a field of Medicine