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Organismal Development Part 2

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Presentation on theme: "Organismal Development Part 2"— Presentation transcript:

1 Organismal Development Part 2
Fungus and Plants

2 Lifestyles Based on Chromosomal Content
Key Haploid Diploid Haploid multicellular organism (gametophyte) Haploid multicellular organism Gametes n n Mitosis n Mitosis Mitosis n Mitosis n n n n n n Spores n MEIOSIS FERTILIZATION n Gametes Gametes n MEIOSIS FERTILIZATION MEIOSIS FERTILIZATION Zygote 2n 2n 2n 2n Diploid multicellular organism (sporophyte) Zygote 2n Diploid multicellular organism Mitosis Mitosis Zygote Animals Plants and some algae Most fungi and some protists

3 Sexual Reproduction in Fungus

4 Lifestyles Based on Chromosomal Content
Key Haploid Diploid Haploid multicellular organism (gametophyte) Haploid multicellular organism Gametes n n Mitosis n Mitosis Mitosis n Mitosis n n n n n n Spores n MEIOSIS FERTILIZATION n Gametes Gametes n MEIOSIS FERTILIZATION MEIOSIS FERTILIZATION Zygote 2n 2n 2n 2n Diploid multicellular organism (sporophyte) Zygote 2n Diploid multicellular organism Mitosis Mitosis Zygote Animals Plants and some algae Most fungi and some protists

5 Alternation of Generations with released spores

6 Alternation of Generations with retained spores

7 Students planting tree fragments in the rainforest

8 Plant Cutting in water to take root

9 Plant Grafting

10 . Just a few parenchyma cells from a carrot gave rise to this callus, a mass of undifferentiated cells. The callus differentiates into an entire plant, with leaves, stems, and roots.

11 Apoptosis in Vascular Tissue - Xylem


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