| A | B |
|---|
| Structure | physical anatomy, shape |
| Function | purpose or ability |
| DNA | Deoxyribonucleic acid, molecule containing genetic information |
| differentiation | Process of cells becoming specialized in structure and function for specific tasks |
| Organism | a unit of life which is made of cells, can maintain homeostasis, reproduce and utilize energy |
| Multicellular organism | an organism which has more than one cell working together to survive |
| Homeostasis | maintenance of an internal environment which allows biological processes to occur |
| ecology | study of relationships between living and nonliving things |
| Photosynthesis | chemical reaction in plants that produces sugars and starches. |
| asexual reproduction | reproduction from one parent |
| autotroph | organism that can produce its own food |
| unicellular | organism made of one cell |
| sexual reproduction | reproduction with two parents |
| ecosystem | a community of living and non living things |
| natural selection | the rigors of nature that cull out organisms that have traits less suitable for survival |
| heterotroph | organism that must consume other organisms to meet energy and nutritional needs |
| evolution | genetic change over time |
