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Ashley's Science Sta
science plants
| Question | Answer |
|---|---|
| spore | in plants, haploid cells produced in the gametophyte stage that can divide by mitosis to form plant structures or an entire new plant or can devolop sex cells. |
| gametophyte stage | plant life cycle stage that begins when cells in reproductive organs undergo mesios and produce haploid cells. |
| sporophyte stage | plant life cycle stage that begins when an egg is fertilized by a sperm. |
| frond | leaf of a fern that grows from the rhizome. |
| rhizome | underground root |
| sori | fern structures in which spores are produced. |
| prothallus | small, green, heart-shaped gametophyte plant form of fern that can make its own food and absorb water and nutrinets from the soil. |
| pollen grain | small structure produced by the male reproductive organs of a seed plant |
| pollination | transfer of pollen grains to the female part of a seed plant by agents such as gravity, water, wind, and animals. |
| ovule | in seed plants, the female reproductive part that produces eggs. |
| stamen | male reproductive organ inside of an angiosperm. |
| ovary | swollen base of an angiosperm's pistil, where egg-producing ovules are found. |
| germination | series of events that results in the growth of a plant from a seed. |
| pistil | female reproductive organ inside the flower of an angiosperm. |
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