Chapter 38- Flowering Plant Reproduction

Chapter 38- Flowering Plant Reproduction - Chapter 38...

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Unformatted text preview: Chapter 38 Flowering Plant Reproduction Angiosperms Meiosis occurs in sporangia of sporophytes (spores are produced from sporangia) Sporophye- the whole diploid plant Gametophyte- the haploid multicellular portion used during reproduction Lifecycle of plant vs animal: plant goes through meiosis to make haploid and then through mitosis whereas our eggs remain unicellular Spores divide by mitosis and develop into mature gametophytes Pollination- pollen finding eggs. If this occurs, must be same species. Other rule, they cant be too closely related After pollen lands on female parts of the flower, 2 sperms go into embryo sac and fertilization takes Gametes fuse during fertilization to produce a zygote A sporophytes male reproductive structures: Figure 38.2 (will be on exam!!!) Complete flower- has 4 parts: 1. Male parts 2. Female parts 3. Petals 4. Sepel Incomplete flower- unisex flower Stamen is composed of anther and filament Each anther contains multiple pollen sacs (microsporangia)...
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Chapter 38- Flowering Plant Reproduction - Chapter 38...

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