| A | B |
|---|
| cells | Basic unit that makes up all living things. |
| cell theory | Cells are basic units of structure and function of all living things. |
| diffusion | The tendency of substances to move to an area of lesser concentration. |
| osmosis | The diffusion of water through a membrane. |
| photosynthesis | Green plants using light to make food. |
| cell respiration | Process in which oxygen releases energy by breaking down sugar. |
| fermentation | A chemical change of suger to carbon dioxide, alcohol, or lactic acid. |
| mitosis | Process of cells dividing into 2 cells. |
| cell differentiation | Development of cells into specialized cell types. |
| tissue | A group of cells working together. |
| organ | A group of tissues working together. |
| organ system | A group of organs working together. |
