science plants
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 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.
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| gametophyte stage | plant life cycle stage that begins when cells in reproductive organs undergo mesios and produce haploid cells.
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| sporophyte stage | plant life cycle stage that begins when an egg is fertilized by a sperm.
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| frond | leaf of a fern that grows from the rhizome.
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| rhizome | underground root
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| sori | fern structures in which spores are produced.
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| prothallus | small, green, heart-shaped gametophyte plant form of fern that can make its own food and absorb water and nutrinets from the soil.
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| pollen grain | small structure produced by the male reproductive organs of a seed plant
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| pollination | transfer of pollen grains to the female part of a seed plant by agents such as gravity, water, wind, and animals.
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| ovule | in seed plants, the female reproductive part that produces eggs.
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| stamen | male reproductive organ inside of an angiosperm.
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| ovary | swollen base of an angiosperm's pistil, where egg-producing ovules are found.
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| germination | series of events that results in the growth of a plant from a seed.
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| pistil | female reproductive organ inside the flower of an angiosperm.
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