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Figure 30.1 Three variations on gametophyte/sporophyte relationships

Figure 30.1 Three variations on gametophyte/sporophyte relationships. Figure 30.2 From ovule to seed. Angiosperms. Gymnosperms. Charophyceans. Seedless vascular plants. Bryophytes (nonvascular plants). Figure 30.5c Phylum Ginkgophyta: Ginkgo biloba.

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Figure 30.1 Three variations on gametophyte/sporophyte relationships

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  1. Figure 30.1 Three variations on gametophyte/sporophyte relationships

  2. Figure 30.2 From ovule to seed

  3. Angiosperms Gymnosperms Charophyceans Seedless vascular plants Bryophytes (nonvascular plants)

  4. Figure 30.5c Phylum Ginkgophyta: Ginkgo biloba

  5. Figure 30.6 Phylum Cycadophyta: cycads

  6. Figure 30.7c Phylum Gnetophyta: Ephedra

  7. Figure 30.8b Phylum Coniferophyta: Sequoia

  8. Figure 30.9 The life cycle of a pine (Layer 3)

  9. Figure 30.10 A closer look at pine cones (Pinus sp.)

  10. Angiosperms Gymnosperms Charophyceans Seedless vascular plants Bryophytes (nonvascular plants)

  11. Figure 30.11 Representatives of major angiosperm clades

  12. Figure 30.12 Xylem cells in angiosperms

  13. Figure 30.13a The structure of a flower

  14. Figure 30.15 Relationship between a pea flower and a fruit (pea pod)

  15. Figure 30.16 Fruit adaptations that enhance seed dispersal: Red berries (left), dandelion (right)

  16. Table 30.1 Classification of Fleshy Fruits

  17. Figure 30.17 The life cycle of an angiosperm

  18. BASAL ANGIOSPERMS Star anise (Illicium floridanum) Amborella trichopoda Water lily (Nymphaea “Rene Gerard”) HYPOTHETICAL TREE OF FLOWERING PLANTS Monocots Eudicots Amborella Magnoliids Water lilies Star anise and relatives MAGNOLIIDS Southern magnolia (Magnolia grandiflora)

  19. MONOCOTS EUDICOTS Monocot Characteristics Eudicot Characteristics California poppy (Eschscholzia californica) Orchid (Lemboglossum rossii) Embryos One cotyledon Two cotyledons Leaf venation Pyrenean oak (Quercus pyrenaica) Veins usually parallel Veins usually netlike Pygmy date palm (Phoenix roebelenii) Stems Vascular tissue usually arranged in ring Lily (Lilium “Enchant- ment”) Vascular tissue scattered Root Dog rose (Rosa canina), a wild rose Root system Usually fibrous (no main root) Taproot (main root) usually present Barley (Hordeum vulgare), a grass Pea (Lathyrus nervosus, Lord Anson’s blue pea), a legume Pollen Pollen grain with three openings Pollen grain with one opening Flowers Anther Zucchini (Cucurbita Pepo), female (left) and male flowers Floral organs usually in multiples of three Floral organs usually in multiples of four or five Stigma Filament Ovary

  20. Figure 30.18 Flower-pollinator relationships: Scottish broom flower and honeybee (left), hummingbird (top right), baobab tree and bat (bottom right)

  21. Table 30.2 A Sampling of Medicines Derived from Plants

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