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Published byAntonia Underwood Modified over 8 years ago
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WARM UP “A weed is but an unloved flower.” –Ella Wheeler Wilcox 1.What does this mean to you? 2.How does this apply to plants and reproduction?
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Seed Development and Germination
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Ovules Ovule has an embryo, endosperm, and coverings – Gets nutrients from plant
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Seeds When coverings thicken and seal, food is stored and seed is formed. – Seed coat, endosperm, embryo
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Seeds Cotyledons – Part of the embryo that absorbs nutrients from endosperm so growth can occur
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Fruit Ovary ripens as ovule develops Eventually, fruit surrounds seeds
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Fruit Types Dry Fruits – Legume – Achene – Nut – Samara – Caryopsis
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Fruit Types Fleshy Fruits – Drupe – Hesperidium – Pepo – Pome – Aggregate – Multiple
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Germination Seeds take in water, swell, and rupture – Seed coat broken by scratching, freezing, fire, etc. More oxygen, more cell division Primary root emerges 1 st, then shoot
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WRAP UP Name 3 “vegetables” that are actually fruits. Name 3 vegetables that are truly vegetables.
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