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plant repro-Megan
plant reproduction
Question | Answer |
---|---|
prothallus | small, green, heart-shaped gametophyte plant from a fern that can make its own food and absorb water and nutrients from the soil |
germination | series of events that results in the growth od a plant from a seed |
pistil | female reproduction organ inside of th eflower of an angiosperm |
ovary | swollen base of an angiosperm's pistil, where egg-producing ovules are found |
stamen | male reproductive organ inside the fower of an angiosperm; consists of an anther, where pollen grains form, and a filament |
ovule | in seed plants, the female reproductive part that produces eggs |
pollination | transfer of pollin grains to the female part of a seed plant by agents such as gravity, water, wind, and animals |
pollen grain | small structure produced by the male reproductive organs of a seed plant; has a water resistant coat, can develope from a spore, and contains gometophyte parts that will produce sperm |
sori | fern structures in which spores are produced |
rhizome | underground system |
fronds | leaf of a fern that grows fromthe rhizome |
sporophyte stage | plant life cycle stage that begins when an egg is fertilized by a sperm |
gametophyte stage | plant life cycle stage that begins when celss in reproductive organs undergo meiosis and produce haploid cells |
spore | reproductive body of many plants and micro-organisms; germ cell |