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20 Cards in this Set
- Front
- Back
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From what cell does the sporophyte develop in mosses
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the zygote
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the sporophyte grows out of the...
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leafy shoot.
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Why is the sporophyte only present in certain gametophyte plants??
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becaaaaause the sporophytes can only grow out of FEMALE gametophytes.
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with what structure in moss does a fern sorus compare?
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capsule.
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A reproductive cycle that includes both gametophye and sporophyte stages leads to a(n)...
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alternation of generations
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In mosses, the ______ stage is the dominant stage
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gemetophyte
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female moss reproductive organ; produces
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archegonium; eggs
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male moss reproductive organ; produces
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antheridium; sperm
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When the organs in moss are mature, how do the sperm and egg come together?
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the sperm swims to the egg in a thin film of water.
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fertilization of the moss reproductive organs creates
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a zygote (diploid)
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The zygote is the first cell of the _____ generation in mosses
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sporophyte
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In the moss sporophyte generation, a slender _____ grows up from the leafy shoot and on top of it is the ______ in which haploid _____ develop.
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stalk, capsule, spores
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In MOSS when the spores are mature, they are released and germinate into ________
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protonema
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In moss Protonema is the first stage of the _________ generation
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gemetophyte
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In FERNS, the dominant stage is the ______
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sporophyte
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In FERNS, _____ grow up from underground ________
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fronds, rhyzome
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The underside of the fronds are spotted with brown ______, which contain ______
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sori, spores
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in FERNS, the germinating spores germinate in the ground and form a young ___________ which produces male and female _______ that will unite to form a ______ once again
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prothallus, gemetes, rhyzome
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Ferns are _____ plants, which means they have ______ tissue
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vascular
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vascular tissue
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carries water and minerals from the roots and carry sugar made in the leaves to other parts of the plant.
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