| Flap 1 | Flap 2 |
| Frond | leaf of a fern that grows from a rhizome |
| Sori | fern structures in which spores are produced |
| Stamen | make reproductive organ inside the flower of an angiosperm |
| Rhizome | Underground Stem |
| Prothallus | small, green, heart-shaped gametophyte plant from a fern |
| Pollination | transfer of pollen grains to female part by gravity, water, winds and animals |
| Spore | haploid cells produced in the gametophyte stage that can divide by mitosis to form plant structures or an entire new plant or can develop into sex cells |
| Gametophyte Stage | cells repoductive organs do meiosis and produce haploid cells |
| Sporophyte Stage | when an egg is fertilized by a sperm |
| Pollen Grain | small structure produced by the male reproductive organs of a seed plant |
| pistil | female reproductive organ inside the flower of an angiosperm |
| ovary | swollen base of an angiosperm's pistil where egg-producing ovules are found |
| germintation | series of events that results in the growth of a plain from a seed |
| ovule | in seed plants, the female reproductive part that produces eggs. |
