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Moss Reproduction: Alternation of Generations

Explore the stages of the alternation of generations in a moss plant. Learn about gametophyte, sporophyte, male and female gametes, zygote, spores, and the reproductive process. Understand how gametes unite to form a zygote, leading to the development of sporophytes for asexual reproduction.

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Moss Reproduction: Alternation of Generations

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  1. UNIT4 The reproduction function ALTERNATION OF GENERATIONS IN A MOSS Natural Science 2. Secondary Education

  2. UNIT4 Alternation of generations in a moss The differents stages of the process Click on each pictureto find out more Male gamete 3 Sporophyte Young sporophyte Zygote Female gamete 2 Spores 1 Gametophyte Young gametophyte Natural Science 2. Secondary Education

  3. UNIT4 Alternation of generations in a moss Gametophyte • This is the part of the moss that carries out sexual reproduction. • It produces male and female gametes. The union of these gametes creates a sporophyte. Male gametes, which need water in order to reach the female sexual organs. Male sexualorgans Female sexual organs Female gamete Gametophyte Go back to the Start menu Natural Science 2. Secondary Education

  4. UNIT4 Alternation of generations in a moss Zygote • The zygote is the result of the union of the male and female gametes. • The zygote developes and produces a sporophyte. Sporophyte Zygote Youngsporophyte Go back to the Start menu Natural Science 2. Secondary Education

  5. UNIT4 Alternation of generations in a moss Sporophyte • This is the part of the moss that carries out asexual reproduction through spores. • It always grows on top of the gametophyte. • It produces spores which are released, and in the right conditions develop into gametophytes. Sporophyte Gametophyte Spores Young gametophyte Go back to the Start menu Natural Science 2. Secondary Education

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