| A | B |
| blade | large flattened area of a leaf |
| xylem | carries water upward in a plant |
| annual plant | produce seeds in one growing season |
| biennial plant | produce seeds in second growing season |
| perennial plant | grow year after year |
| phloem | materials move downward |
| epidermis | top and bottom layers, one cell thick |
| cuticle | waxy substance on leaf |
| stomata | openings on underside of leaf |
| monocot | one cotyledon |
| endodermis | allows only certain materials to enter plant |
| dicot | two cotyledons |