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Key

Raindrop. Moss Life Cycle. Sperm. “Bud”. Antheridia. Male gametophyte ( n ). Key. Haploid ( n ). Protonemata ( n ). Diploid (2 n ). “Bud”. Egg. Gametophore. Spores. Archegonia. Female gametophyte ( n ). Spore dispersal. Rhizoid. Peristome. FERTILIZATION. Sporangium.

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Key

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  1. Raindrop Moss Life Cycle Sperm “Bud” Antheridia Male gametophyte (n) Key Haploid (n) Protonemata (n) Diploid (2n) “Bud” Egg Gametophore Spores Archegonia Female gametophyte (n) Spore dispersal Rhizoid Peristome FERTILIZATION Sporangium (within archegonium) MEIOSIS Seta Zygote (2n) Capsule (sporangium) Mature sporophytes Foot Embryo Archegonium Young sporophyte (2n) 2 mm Female gametophytes Capsule with peristome (SEM)

  2. Fern Life Cycle Key Haploid (n) Diploid (2n) Antheridium Spore (n) Young gametophyte Spore dispersal MEIOSIS Sporangium Mature gametophyte (n) Sperm Archegonium Egg Mature sporophyte (2n) New sporophyte Sporangium Zygote (2n) FERTILIZATION Sorus Gametophyte Fiddlehead

  3. Pine Life Cycle Key Haploid (n) Ovule Diploid (2n) Ovulatecone Megasporocyte (2n) Integument Pollencone Microsporocytes(2n) Megasporangium(2n) Maturesporophyte(2n) Pollengrain Pollengrains (n) MEIOSIS MEIOSIS Microsporangia Microsporangium (2n) Survivingmegaspore (n) Seedling Archegonium Femalegametophyte Seeds Foodreserves(n) Spermnucleus (n) Seed coat(2n) Pollentube Embryo(2n) FERTILIZATION Egg nucleus (n)

  4. Fig. 35-2 Reproductive shoot (flower) Apical bud Node Internode Apical bud Shoot system Vegetative shoot Blade Leaf Petiole Axillary bud Stem Taproot Lateral branch roots Root system

  5. Fig. 30-7 Stigma Carpel Stamen Anther Style Filament Ovary Petal Sepal Ovule

  6. Fig. 30-10-4 Key Haploid (n) Diploid (2n) Microsporangium Anther Microsporocytes (2n) Mature flower onsporophyte plant(2n) MEIOSIS Generative cell Microspore(n) Ovule (2n) Tube cell Male gametophyte(in pollen grain)(n) Ovary Pollengrains MEIOSIS Germinatingseed Stigma Megasporangium(2n) Pollentube Embryo (2n)Endosperm (3n)Seed coat (2n) Sperm Seed Megaspore(n) Style Antipodal cellsCentral cellSynergidsEgg (n) Female gametophyte(embryo sac) Pollentube Sperm(n) Nucleus ofdevelopingendosperm(3n) FERTILIZATION Zygote (2n) Eggnucleus (n) Discharged sperm nuclei (n)

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