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what are the clades of nonvascular plants/
liverworts, mosses, hornworts
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what are the differences among nonvascular clades?
liverworts dont have stomata
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what is stomata used for?
gas and water exchange
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which clades do not have persistently green sporophytes?
liverworts and mosses
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what two nonvascular plants are economically important?
sphagnum moss, peat bogs
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what is sphagnum moss used for?
compressed into peat, used for field dressings for wounds, diapers, and gardening.
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what vascular tissues facilitate transport of materials in vascular plants?
xylem and phloem
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which vascular tissue transports water?
xylem
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which vascular tissue transports sugar?
phloem
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wbat structure is in tracheids, provides rigid structure and support, and allows for vertical growth
lignin
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what is the diplontic, dominant generation in vascular plants?
sporophyte
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what generation is haplontic, independant of sporophyte, short lived, and produce gametes by mitosis?
gametophyte
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what is the horizontal stem in a seedless vascular plant?
rhizome
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what does the sperm and egg require for fertilization?
water
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what are 3 clades of seedless vascular plants?
club mosses, horse tails, whisk ferns, ferns
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what has a more vertical and branching growth form and more photosynthetic area than unbranched forms?
seedless vascualr plants
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