| A | B |
| Cells | Basic unit of life |
| Tissue | Groups of cells working as a team |
| Organs | Groups of Tissue working as a team |
| Organ System | Groups of organs working as a team |
| Organism | Groups of Organ system working as a team |
| Unicellular | One celled organisms |
| Multicellular | Organisms made from more than one cell |
| DNA | Genetic material passed down from parent to offspring |
| Metabolism | The chemical activity with in an organism |
| Reproduction | The ability to make the same species |
| Homeostasis | The ability to maintain stable internal environments |
| Response to Stimuli | A change in the environment triggers a change in the organism |
| Growth and Development | Changing over time |