| A | B |
| epidermis (n) | the thin layer of cells on the surface of a leaf |
| tissue (n) | a group of cells of the same type |
| spongy mesophyll (n) | collection of damp, loosely packed leaf cells |
| palisade mesophyll (n) | a layer of photosynthesizing palisade leaf cells |
| stoma / stomata (n) | a hole in the leaf that allows gases to move in and out of the cell |
| guard cell (n) | leaf cell which changes shape in order to open and close the stoma |
| root cap* (n) | layer of thick, dead cells that protects the living cells growing behind it as the root pushes through hard soil |
| root hair (n) | hair-like outgrowth on the surface of a root; increases the root’s surface area |
| xylem* (n) | tubes that travel from roots to leaves carrying water and minerals other plant parts |
| phloem* (n) | tubes that carry the sugars made in the leaves to other parts of the plant |