| A | B |
| Anatomy | the study of the shape and structure of organisms and their parts |
| Biochemistry | the study of the molecules of life |
| Biology | the study of all living things |
| Botany | the study of all plants |
| Cytology | the study of cells |
| Dendrology | the study of trees and shrubs |
| Ecology | the study of organisms in their environment |
| Embryology | the study of fetal development |
| Entomology | the study of insects |
| Genetics | the study of the passage of traits from parent to offspring |
| Genetic Engineering | the manipulation of genetic material |
| Herpetology | the study of reptiles and amphibians |
| Ichthyology | the study of fish |
| Mammology | the study of mammals |
| Microbiology | the study of microbes |
| Ornithology | the study of birds |
| Pathology | the study of diseases |
| Taxonomy | the study of classification of living organisms |
| Zoology | the study of all animals |