LYCOPHYTES (PHYLUM LYCOPHYTA) Strobili (clusters of sporophylls) A quillwort A spike moss A club moss PTEROPHYTES (PHYLUM PTEROPHYTA) Vegetative stem Strobilus on fertile stem Figure 29. The life cycle of a fern Key Haploid (n) Diploid (2n) Antheridium Young gametophyte Spore MEIOSIS Sporangium Sperm Archegonium Egg Mature sporophyte New sporophyte Zygote Sporangium FERTILIZATION Sorus 6 4 Gametophyte 5 Fiddlehead Figure 29.12.LIVERWORTS (PHYLUM HEPATOPHYTA) Gametophore of female gametophyte Foot Seta Sporangium 500 µm MOSSES (PHYLUM BRYOPHYTA) HORNWORTS (PHYLUM ANTHOCEROPHYTA) Sporophyte Sporophyte Gametophyte Gametophyte Figure 29.9 Sperm Diploid (2n) 5 6 3 8 4 2 1 “Bud” Antheridia Protonemata “Bud” Egg Spores Gametophore Femalegametophyte Archegonia Peristome Rhizoid Sporangium FERTILIZATION Seta MEIOSIS (within archegonium) Capsule(sporangium) Zygote Calyptra Maturesporophytes Mature sporophytes Embryo Foot Archegonium Youngsporophyte Femalegametophytes Capsule with peristome (LM) 7 Figure 29.8 2007, WSS 3.0, SharePoint 2010, SharePoint Server 2010, MOSS 2007, as well as SharePoint Foundation 2010, our SharePoint web parts and add-ons are designed to help businesses harness the full.

Raindrop Key Male gametophyte Haploid (n) Spores develop into threadlike protonemata.

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