Chapter_30 - Biology 7e(Campbell Chapter 30 Plant Diversity...

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Biology, 7e (Campbell) Chapter 30: Plant Diversity II: The Evolution of Seed Plants 1) The sporophytes of mosses depend on the gametophytes for water and nutrition. In seed plants, the reverse is true. From which seed plant sporophyte structure(s) do the immature (unfertilized) gametophytes directly gain water and nutrition? A) sporophylls B) embryos C) sporangia D) sporopollenin E) ovary 2) Which of the following is not true concerning the sporophyte or gametophyte generations of flowering plants? 3) Which of the following is an ongoing trend in the evolution of land plants? 4) Seeds commonly provide for each of the following except 5) Which of the following most closely represents the male gametophyte of seed-bearing plants? A) ovule B) microspore mother cell C) pollen grain D) embryo sac E) fertilized egg 6) Which of these is most important in making the typical seed more resistant to adverse conditions than the typical spore?
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