Haplontic life cycle Haploid stage Gametophyte (n) MITOSIS Spore Gametes Sperm 4 haploid cell structure that undergoes mitosis and development of multicellular gametophyte n Spores Egg MEIOSIS FERTILIZATION 2n Spore mother cell Spongia Sporophyte Diploid stage 2n Zygote (only one cell!!) Embryo
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Animals haploid: n Meiosis Fertilization diploid: 2n Plants haploid: n Meiosis Fertilization diploid: 2n Fungi haploid: n Meiosis Fertilization diploid: 2n Part 1: draw single cells and multicellular stages in the different sexual life cycles Part 2: label gametes, gametophyte, karyogamy, mitosis, plasmogamy, spores sporophyte and zygotes
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Spores in bryophytes are formed by (a) Mitosis (b) Meiosis in gametophyte (c) Mitosis in zygote (d) Meiosis in zygote
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