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13 Cards in this Set
- Front
- Back
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plant adaptations to land
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waxy cuticle
stomata vascular structures novel reproductive strategies- aquatic plants had flagellated gametes |
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what are problems with moving away from the ground
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need to transport photosynthates and minerals/water from/ to leaves
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alternation of generations /
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platen life cycle characterized by alternation of haploid and diploid generations
2n sporophyte generation produces (n) spores |
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embryophytes
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all land plants
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bryophytes
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liverworts and mosses
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tracheophytes
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vascular plants
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phylogeny of bryophytes
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bryophytes- other land plants- anthocerophyta- hepaticophyta
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fern allies
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ground pines, club mosses, and horsetails
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spermatophytes
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seed plants- angiosperms and gymnosperms
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sporophyte
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dominant generation
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spermatophytes
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angiosperms
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how many species of bryophytes are there
ferns lycopods gymnosperms angiosperms |
23000 species
12000 1200 900 250000- so many b/c- efficient water transport (photosynthesis) efficient reproductive structures insect pollination: floral and extrafloral nectaries evolved anthers with excess pollen for insects to eat floral parts toguide insects = efficient pollination |
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