| Term | Definition |
| LOGY | science, study, account |
| Anthropology | science dealing with the origin, races, customs, and beliefs of humankind |
| Biology | science dealing with the study of living organisms |
| Cardiology | science dealing with the actions and diseases of the heart |
| Criminology | scientific study of crimes and criminals |
| Dermatology | science dealing with the skin and its diseases |
| Ecology | science dealing with the relation of the living things to their environment and to each other |
| Genealogy | account of the descent of a person or family from an ancestor |
| Geology | the science that deals with the earth's physical structure and substance, its history, and the processes that act on it. |
| Meteorology | science dealing with the atmosphere and the weather |
| Morphology | scientific study of the forms and structures of plants and animals |
| Mythology | a collection of myths, esp. one belonging to a particular religious or cultural tradition |
| Necrology | list of persons who have recently died |
| Neurology | scientific study of the nervous system and its diseases |
| Paleontology | The study of the forms of life existing in prehistoric or geologic times, as represented by the fossils of plants, animals, and other organisms. |
| Pathology | science dealing with the nature and causes of diseases; something abnormal |
| Physiology | Science dealing with the functions of living things or their organs |
| Psychology | Science of the mind |
| Sociology | study of evolution, development, and functioning of human society |
| Theology | study of religion and religious ideas |
| BIO | life |
| Abiogenesis | spontaneous generation (development of life from lifeless matter) |
| Amphibious | able to live both on land and in water |
| Antibiotic | antibacterial substance produced by a living organism |
| Biochemistry | chemistry dealing with chemical compounds and processes in living plants and animals |
| Biocidal | destructive to life or living things |
| Biodegradable | capable of being readily decomposed into harmless substances by living microorganisms |
| Biogenesis | development of life from preexisting life |
| Biography | story of a person's life written by another person |
| Biometry | statistical calculation of the probable duration of human life |
| Biopsy | diagnostic examination of a piece of tissue from the living body |
| Biota | the living plants (flora) and living animals (fauna) of a region |
| Microbe | very minute living organism; germ; microorganism |
| Symbiosis | interaction between two different organisms living in close physical association, typically to the advantage of both |