________ include seven extant phyla grouped in three clades.
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Sporophyte
________ consists of ribbed, jointed photosynthetic stems that arise from branching rhizomes with roots at nodes.
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Gametophytes
________ consist of small, leaflike structures around a stemlike axis.
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Fruits
________ in the flowering plants (angiosperms) add a layer of protection to seeds and attract animals that assist in seed dispersal, expanding the potential range of the species.
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land plants
All ________ are haplodiplontic.
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Cells
________ have a single large chloroplast.
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Conspicuous sporophyte
________ and much smaller gametophyte are both photosynthetic.
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Diploid spore mother cells
________ (sporocytes) undergo meiosis in sporangia.
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Sporophyte
________ consists of evenly forking green stems without true leaves or roots.
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Gametophyte
________ has been reduced in size relative to the sporophyte during the evolution of tracheophytes.
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Diploid spore mother cells
________ in sporangia produce haploid spores by meiosis.
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Sporophyte
________ embedded in gametophyte tissue.
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Gametophyte
________ lacks vascular tissue.
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Charophytes
Sister to all land plants
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Multicellular diploid stage
sporophyte
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Multicellular haploid stage
gametophyte
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Gametophyte
conspicuous and photosynthetic
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Sporophytes
small and dependent
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Not true leaves
no vascular tissue
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Archegonia
Female gametangia
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Antheridia
Male gametangia
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Origin is puzzling
no fossils until Cretaceous
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Silica deposits in cells
scouring rush
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Fern life cycle differs from that of a moss
much greater development, independent, dominance sporophyte
Studied by 4 people
Note 
Flashcard (23)