| A | B |
| sporophyte | stage in a plant life cycle when spores are produced |
| gametophyte | stage in a plant life cycle when sex cells are produced |
| nonvascular plant | plant that depends on diffusion and osmosis to transport materials |
| vascular plant | plant that has tissues called xylem and phloem that transport materials |
| gymnosperm | plant that produces seeds but no flowers |
| angiosperm | plant that produces seeds in flowers |
| rhizoids | small hairlike threads of cells that hold nonvascular plants in place |
| rhizome | underground stem of a fern |
| pollen | dustlike particles that carry the male gametophytes of seed plants |
| pollination | transfer of pollen |
| cotyledon | seed leaf inside a seed |
| xylem | specialized tissue that transports water and minerals in a plant |
| phloem | specialized tissue that transports sugar molecules in a plant |
| sepal | leaflike structure that covers and protects an immature flower |
| petal | part of a flower that attracts pollinators |
| stamen | male reproductive part in a flower that consists of a filament topped by a an anther |
| pistil | female reproductive part in a flower that consists of a stigma, style, and ovary |
| stigma | flower part that is the tip of the pistil |
| ovary | part of flower that contains ovules and develops into a fruit after fertilization |