| A | B |
| Cellular Level | basic unit of life |
| Levels of biological organization | The hierarchy of life shows the order by which structures of living things are organized from smallest to largest components. |
| Tissue Level | A tissue is a group of cells performing the same specific functions |
| Organ Level | it is composed of two to three tissues together with a special job to do. |
| Organ System | A group of organs that work together for one purpose. |
| Organism Level | Refers to the entire living thing which can carry out all basic life processes |
| Plant tissue | divided into meristematiec tissues and permanent tissues. |
| Meristematic Tissues | are growth tissues that are found at the tips of roots and stem |