http://digfir-published.macmillanusa.com/life11e/life11e_ch28_1.htmlChapter Introduction57b5e656757a2e3c0f000000
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_2.htmlkey concept 28.1 Pollen, Seeds, and Wood Contributed to the Success of Seed Plants
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_3.htmlFeatures of the seed plant life cycle protect gametes and embryos
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_4.htmlThe seed is a complex, well-protected package
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_5.htmlA change in stem anatomy enabled seed plants to grow to great heights
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_7.htmlkey concept 28.2 Once Dominant Gymnosperms Still Thrive in Some Environments
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_8.htmlThere are four major groups of living gymnosperms
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_9.htmlConifers have cones and lack swimming sperm
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_11.htmlkey concept 28.3 Flowers and Fruits Led to Increased Diversification of Angiosperms
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_12.htmlAngiosperms have many shared derived traits
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_13.htmlThe sexual structures of angiosperms are flowers
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_14.htmlFlower structure has evolved over time
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_15.htmlAngiosperms have coevolved with animals
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_16.htmlThe angiosperm life cycle produces diploid zygotes nourished by triploid endosperms
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_17.htmlFruits aid angiosperm seed dispersal
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_18.htmlRecent analyses have revealed the phylogenetic relationships of angiosperms
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_20.htmlkey concept 28.4 Plants Play Critical Roles in Terrestrial Ecosystems
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_21.htmlSeed plants have been sources of medicine since ancient times
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_22.htmlSeed plants are our primary food source
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_24.htmlInvestigating Life57b5e656757a2e3c0f000000
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_25.htmlChapter Summary
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http://digfir-published.macmillanusa.com/life11e/life11e_ch28_26.htmlApply What Youâve Learned
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