| A | B |
|---|
| Biology | the study of life |
| Evolution | the theory that species change over time |
| Adaptation | favorable traits that are suited for survival |
| Phylogeny | evolutionary history of an organism |
| DNA | the chemical deoxyribonucleic acid |
| Gene | short sentence of DNA that codes for a trait |
| Inheritance | acquisition of traits from the parent(s) |
| Asexual reproduction | reproduction without a mate |
| Sexual reproduction | reproduction involving two parents |
| Unicellular organisms | organism composed of only one cell |
| Development | process where a zygote becomes a mature individual |
| Anatomy | morphology that deals with internal structure |
| Autotrophs | organisms that acquire energy by making their own food |
| Heterotrophs | Organisms that gain energy by eating other organisms |
| Ecology | study of interactions of organisms with each other |
| Bioethics | application of ethics to biological concerns |
| Response | reaction to a stimulus |
| Behavior | a complex set of responses |
| Cell division | orderly formation of new cells from a parent cell |
| Cell enlargement | the increase in cell size |
