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Seed Germination and Reproduction: A Plant's Life Cycle Unveiled

Explore the fascinating process of sexual reproduction in plants, from pollination to seed dispersal and germination. Learn about male and female flower parts, haploid cells, fertilization, and the life cycle of a seed. Discover the different methods of seed dispersal and the stages of germination.

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Seed Germination and Reproduction: A Plant's Life Cycle Unveiled

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  1. Seeded Plant Reproduction

  2. Sexual • Sexual Reproduction--One organism is produced by two organisms with sex cells. • The off-spring is genetically different from the parents.

  3. Male Parts of the Flower Stamen--The male reproductive organ of a plant. Filament-holds up the anther Anther-where pollen is produced

  4. Female Parts of the Flower • Pistil- female part of the flower • Stigma- sticky part that collects pollen • Style- carries pollen from the stigma to the ovaries • Ovaries- where fertilization takes place and where egg develop.

  5. Haploid Cells • Haploid Cells- Cells that have half of the number of chromosomes • Pollen- sperm of the plant • Ovule- egg of the plant

  6. Pollination • Pollination- transfer of pollen to the female part of the plant • Pollen can be transported by gravity, wind, water currents, or animals.

  7. Sexual Reproduction • Fertilization—when sperm and egg unite. • Diploid- cells with the full number of chromosomes • Zygote--the first cell of a new organism.

  8. The zygote form into a seed with 3 parts. • Embryo-Baby Plant (also called a cotyledon) • Stored Food-food for the baby plant • Protective Coat- Protects the embryo and its food

  9. Seed dispersal-the way seeds get from place to place. • Ex.-Dandelion-blown by air • Ex. Berries-eaten by animals. • Ex. Burrs-cling to animals. • Germination--Series of events that result in the growth of a plant from a seed. Germination time varies for all plants.

  10. THE END

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