| A | B |
| cuticles | waxy watertight outer covering that prevents the above ground parts of a plant from losing water to the air |
| stomata | specialized passage through the cuticle that enables plants to exchange gases |
| pholoem | conducting tissue of vascular plants made up of soft-walled cells that conduct carbonhydrates away from tha areas where they are made |
| xylem | transport water |
| microgametophyte | the male gametophyte of seeds plants that produce sperm |
| megagametophyte | the female gametophyte of seed plants that produces eggs |
| pollen grain | mature microspore that contains a microgametophyte |
| ovule | the multicellular structure in seed plants in which a megagametophyte develops from a megaspore |
| calyx | the outermost whorl of flowers that contains the pistils |
| sepals | modified leaves of a flower that make up the calyx |
| corolla | the whorl of a flower that contains the petals |
| androecium | the whorl of a flower that contains stamens |
| filament | slender threadlike structure that is part of the stamen |
| anther | pollen containing sac that sits atop the filament |
| gynoecium | the whorl of a flower that contains the pistils |