| A | B |
|---|
| epidermis | outer skin of root or leaf |
| root hair | used for water absorbtion |
| xylem | conducts water |
| phloem | conducting dissolved food substances |
| fibrous | type of root efficient in absorbing surface water |
| taproot | type of root efficient in absorbing deep ground water |
| cortex | where roots store food |
| waxy layer | waterproof coat over epidermis |
| cutin | waxy substance secreted by upper epidermis |
| vascular cylinder | contains xylem and phloem |
| upper epidermis | transparent top skin of leaf |
| palisade layer | photosynthesis takes place here (contains chlorophyll) |
| spongy layer | photosynthesis takes place here (contains chloropyll) |
| stomata | small openings in lower epidermis (allows carbon dioxide in and oxygen in) |
| guard cells | control size of the stomata |
| chlorophyll | what makes green plants green |
| main function of plant | manufacture food |
| main funtion of root | hold plant in soil, get water for plant, and store food |
| veins | determine size and shape of leaf |
| primary root | main root in plant |
