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vocabulary
| Term | Definition |
|---|---|
| Archegunium | structure that produces eggs |
| Antheridium | produces sperm |
| sorus | cluster of sporangia on a fern frond |
| pollen grain | immature male gametophyte |
| ovule | female gametophyte develops here |
| pollination | the transfer pollen from maqles to females |
| pollen tube | grows from polllen grain to ovule and enables sperm to pass to eggs |
| seed coat | the outer cell layers of an ovule harden |
| cotylodons | seed leaves are part of a plant embryo |
| sepals | outer most whrol consist of these |
| petals | second whrol cosist of |
| stamens | 3rd whrol |
| anther | pollen producing sac |
| pistils | 4th whrol |
| Ovary | a stalk called the style raises from here |
| double fertillization | haploid 3 cells form a triploid which forms endosperm |
| vegetative reproduction | reproduction of plants |
| plant propgation | growing new plants from seed or vegatative |
| tissue culture | pieces of plant tissue are placed on a sterile medium and used to grow new plants. |