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The World of Plant Classification. An Unusual Angiosperm. Table 29.1 Ten Phyla of Extant Plants. Figure 29.1 Some highlights of plant evolution. Figure 29.6 Alternation of generations: a generalized scheme. Figure 30.1 Three variations on gametophyte/sporophyte relationships. - PowerPoint PPT Presentation
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The World of Plant Classification
An Unusual Angiosperm
Table 29.1 Ten Phyla of Extant Plants
Figure 29.1 Some highlights of plant evolution
Figure 29.6 Alternation of generations: a generalized scheme
Figure 30.1 Three variations on gametophyte/sporophyte relationships
Figure 29.15 Bryophytes
Figure 29.15x1 Hornwort
Figure 29.15x2 Quillwort
Figure 29.9 Gametangia: Archegonium of Marchantia (left), Anteridium of a hornwort (right)
Figure 29.16 The life cycle of Polytrichum, a moss (Layer 1)
Figure 29.16 The life cycle of Polytrichum, a moss (Layer 2)
Figure 29.16 The life cycle of Polytrichum, a moss (Layer 3)
Figure 29.16x Moss life cycle
Figure 29.x1 Polytrichum moss leaf section
Figure 29.18 A moss sporangium with a “spore-shaker” tip
Figure 29.19 Sphagnum, or peat moss: Peat bog in Oneida County, Wisconsin (top), closeup of Sphagnum (bottom left), Sphagnum "leaf" (bottom right)
Figure 29.19x A peat moss bog in Norway
Figure 29.0 Ferns
Figure 29.11 Xylem and phloem in the stem of Polypodium, a fern (a pteridophyte)
Figure 29.21 Pteridophytes: club "moss" (top left), whisk fern (top right), horsetail (bottom left), fern (bottom right)
Figure 29.21x1 Lycophyte
Figure 29.21x2 Horsetail
Figure 29.23 The life cycle of a fern
Figure 29.23x1 Life cycle of a fern: mature fern
Figure 29.23x2 Life cycle of a fern: sorus
Figure 29.23x3 Life cycle of a fern: sporangium
Figure 29.23x4 Life cycle of a fern: mature sporangium
Figure 29.23x5 Life cycle of a fern: germinating
Figure 29.23x6 Life cycle of a fern: gametophyte
Figure 29.23x7 Life cycle of a fern: archegonia
Figure 29.23x8 Life cycle of a fern: sporophytes
Figure 29.24a Fern sporophyll, a leaf specialized for spore production
Figure 29.24b Fern sporophyll, a leaf specialized for spore production
Figure 29.24c Fern sporophyll, a leaf specialized for spore production
Figure 29.25 Artist’s conception of a Carboniferous forest based on fossil evidence
Figure 30.4 Hypothetical phylogeny of the seed plants
Figure 30.0 Seed fossil
Figure 30.3 Winged seed of a White Pine (Pinus strobus)
Figure 30.5a Phylum Ginkgophyta: Ginkgo biloba
Figure 30.5c Phylum Ginkgophyta: Ginkgo biloba
Figure 30.5x1 Ginkgo: Male (left), female (right)
Figure 30.5x2 Ginkgo sperm
Figure 30.6 Phylum Cycadophyta: cycads
Figure 30.7a Phylum Gnetophyta: Welwitschia
Figure 30.7b Phylum Gnetophyta: Gnetum
Figure 30.7c Phylum Gnetophyta: Ephedra
Figure 30.8a Phylum Coniferophyta: Douglas fir
Figure 30.8b Phylum Coniferophyta: Sequoia
Figure 30.8bx Sequoias
Figure 30.8c Phylum Coniferophyta: Cypress
Figure 30.8d Phylum Coniferophyta: Pacific yew
Figure 30.8e Phylum Coniferophyta: Common juniper
Figure 30.8f Phylum Coniferophyta: A pine farm
Figure 30.8g Phylum Coniferophyta: Wollemia pine
Figure 30.8x1 Bristlecone Pine
Figure 30.8x2 Frasier fir
Figure 30.9 The life cycle of a pine (Layer 1)
Figure 30.9 The life cycle of a pine (Layer 2)
Figure 30.9 The life cycle of a pine (Layer 3)
Figure 30.10 A closer look at pine cones (Pinus sp.)
Figure 30.10x1 Pine Sporangium with spores
Figure 30.10x2 Pine pollen
Figure 30.10x3 Pine embryo
Figure 30.11 Representatives of major angiosperm clades
Figure 30.13a The structure of a flower
Figure 30.15 Relationship between a pea flower and a fruit (pea pod)
Figure 30.16 Fruit adaptations that enhance seed dispersal: Red berries (left), dandelion (right)
Figure 30.16x1 Dandelion seed dispersal
Figure 30.16x2 A bird eating berries containing seeds that will be dispersed later with the animal's feces
Table 30.1 Classification of Fleshy Fruits
Figure 30.17 The life cycle of an angiosperm
Figure 30.18 Flower-pollinator relationships: Scottish broom flower and honeybee (left), hummingbird (top right), baobab tree and bat (bottom right)
Table 30.2 A Sampling of Medicines Derived from Plants
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