| A | B |
| reproduction | Process of producing offspring |
| Development | The changes that take place during growth. |
| Growth | Increase of number of cells and increase in size of cells |
| cell | basic unit of life |
| energy | ability to do work |
| respond | react to the environment |
| adapt | to make certain changes in order to survive in a specific environment |
| tissue | Similar cells that work together |
| organ | Similar tissues that work together |
| organ system | similar organs working together |
| organism | any living thing where the systems are working together |
| matter | Anything that takes up space and has mass |
| atoms | Makes up matter |
| compound | two or more elements |
| element | basic unit of matter |
| symbols | represent elements |
| formula | represents compounds |
| Sulfur, Phosphate, Oxygen, Nitrogen, Carbon, and hydrogen | The elements found in all living things |
| Diffusion | Movement of molecules from an area of higher concentration to an area of lesser concentration |
| Osmosis | Diffusion of water |