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23 Cards in this Set
- Front
- Back
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gymnosperms |
produce seeds and pollen and have vascular tissues but no flowers or fruits |
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seeds |
contain embryo |
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pteridosperms |
ferns that produce seeds |
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angiosperms |
flowering plants |
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megasporangia |
produce mega spores growing to female gametophytes |
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microsporangia |
produce microspores that grow into male gametophytes |
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micro spores |
male gametophytes |
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mega spores |
female gametophytes |
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pollen grain |
protects male gametophyte |
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pollen tube |
what delivers sorry to the egg |
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integuments |
layers of sporophyte tissue that surround the megasporanium |
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ovule |
formed by the integuments |
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cycads |
short. have spilt compound leaves |
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nitrogen fixation |
conversion of nitrogen into forms for plants |
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dioecious |
female plants produce female cones. male produce male |
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ginkgos |
very pretty and resistant to pests and pollution |
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deciduous |
fine branching veins |
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conifers |
largest and most diverse group of gymnosperms |
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aril |
red fleshy later around seeds |
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soft wood |
contains stracheids. but no vessels or fibers |
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fascicle |
a bunch of needles |
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microphyle |
small hole between integuments |
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gnetophytes |
most closely related to flowering plants |
