| A | B |
|---|
| The study of living things | biology |
| The study of the interaction of organisms with each other and with their environment. | ecology |
| The study of plants | botany |
| The study of animals | zoology |
| The study of life at the chemical level, in particular the chemistry of proteins, carbohydrates, and nucleic acids. | biochemistry |
| The study of living cells, in particular, their physiological properties, structures, organelles, and method of division. | cytology |
| The study of heredity, especially the mechanisms of hereditary transmission and variation of inherited characteristics. | genetics |
| The branch of biology concerned with the modes of origin of new forms of life. | evolutionary biology |
| The branch of biology that studies microorganisms and their effects on other organisms. | microbiology |
| The branch of biology concerned with the form and structure of living organisms. | morphology |
| The study of the geographic distributions of living organisms. | biogeography |
| The study of fungi. | mycology |
| The scientific study of similarities and differences in the bodily structures of distinct types of animals. | comparative anatomy |
