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Chpt. 24
| Term | Definition |
|---|---|
| Archegonium | produces eggs |
| Antheridium | produces sperm |
| sorus | a cluster of sporangia on a fern frond |
| pollen grain | immature male gametophyte of a seed plant |
| pollination | the transfer of pollen grains from from male reproductive structures to female reproductive structures |
| ovule | a female gametopyhte of a seed plant |
| pollen tube | grows from a pollen grain to an ovule and enables a sperm to pass directly to an egg |
| seed coat | the outer cell layers of an ovule harden |
| cotyledons | leaflike structures |
| speals | protects the flower |
| petals | attract pollinators |
| stamens | produce pollen |
| anther | threadlike filament |
| pistils | produce ovules |
| ovary | style |