| A | B |
| zoology | The study of animals |
| botany | The study of plants |
| anatomy | The structure of living things and what body parts they are made of |
| physiology | the functioning of living things and how their body parts work |
| taxonomy | how living things can be classified into groups |
| microbiology | tiny living things that can be seen only with a microscope |
| ecology | the interactions among different kinds of living things and their environment |
| genetics | how characteristics are passed from parent to offspring |
| cytology | cells and how they work |