| A | B |
|---|
| Photosynthesis | The process of a plant absorbing sunlight to produce sugars. |
| Petiole | what connects the leaf to a stem |
| Node | the base of the stem where the petiole connects to branch. |
| Axil | Where the petiole attaches to the leaf |
| Epidermis | Top and bottom of the leaf. It protects the leaf. |
| Cutin | A waxy layer that protects from dehydration and disease. |
| Guard cells | Act like valves to the leaf. They open and close in response to light and moisture. |
| Stomata | The openings in guard cells and mostly found on the underside of leaves. |
| Mesophyll | Found in the middle of a leaf and has 2 layers. |
| Palisade layer | The dense, upper layer of the mesophyll. |
| Spongy Mesophyll | Air-filled soft lower layer of the mesophyll. |
| Vascular bundle | Parts of the leave that contain the xylem and phloem. Used to transport materials. |
