| A | B |
| sporophyte | stage in plant life cycle, produces spores |
| gametophyte | stage in plant life cycle, produces eggs and sperm |
| nonvascular plant | depends on diffusion and osmosis to move materials |
| vascular plant | has specialized tissues to move materials |
| gymnosperm | plant produces seeds, but no flowers |
| angiosperm | plant produces seeds in flowers |
| rhizoid | small hairlike t hreads help hold nonvascular plants in place |
| rhizome | underground stem of a fern |
| pollen | dustlike particles that carry the male gametophytes of seed plants |
| pollination | tranfer of pollen from male to female structures in plants |
| cotyledon | seed leaf inside a plant |
| xylem | plant tissue that transports water and minerals |
| phloem | plant tissue that transports sugar molecules in plants |
| sepal | leaflike structure that protects immature flower |
| petal | often colorful structure that attracts pollinators |
| stamen | male reproductive structure in flower |
| pistil | female reproductive structure in flower |
| stigma | flower part at top of pistil |
| ovary | in flowers, contains ovules, develops into fruit |