| A | B |
|---|
| xylem | carries water & minerals UP |
| phloem | carries food |
| fibrous | many tangled mass of roots |
| taproot | one main root with branching roots |
| herbaceous | green, soft stem with an epidermis |
| woody | rigid, brown stem with bark |
| cambium | layer of cells that produces more xylem & phloem |
| wood | made by old xylem |
| reactants | carbon dioxide + water (left side of equation) |
| products | glucose + oxygen (right side of equation) |
| annual | a plant that has only 1 growing season |
| periennial | a plant that has more than 1 grwoing season |
| stoma | opening on the lower epidermis of a leaf |
| spongy mesophyll | middle cell layer with many air spaces in it |
| palisade mesophyll | middle cell layer that line up under the upper epidermis of a leaf |
| vein | xylem & phloem in a leaf |
| vascular bundles | xylem & phloem in a stem |
| central cylinder | xylem & phloem in a root |
| bark | made by old phloem |
| cuticle | waxy layer on the epidermis of a leaf |
