Chapter 30

b. they lack vascular tissue. c. they have swimming sperm. d. their seeds do not store water. e. they desiccate easily. 55. What’s so important about the development of branched sporophytes? 56. What is vascular tissue used for? 57. How are ferns important to humans? 58. The sporophyte, which is (haploid or diploid?), houses _____, ................
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