| A | B |
|---|
| Xylem | The vascular tissue in plants that carries water and minerals from roots to stems and leaves. |
| Phloem | The vascular tissue in plants that carries food from leaves to other parts of the plant. |
| Annual growth ring | Rings in a tree trunk formed by the growth of wood in layers. |
| Petiole | The stalk that attaches a leaf to a stem. |
| Stoma | A small opening in a leaf that allows gasses to enter and leave (plural is stomata). |
| Photosynthesis | The process in which a plant makes food. |
| Pigment | A chemical that absorbs certain types of light. |
| Chlorophyll | The green pigment in plants tht absorbs light energy for photosyntheis. |
| Cellular respiration | The process in which cells break down food to release engery |
| Guard cell | A cell that opens and closes stomata. |
