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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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Presentation on theme: "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?"— Presentation transcript:

1 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?

2 Seed Development and Germination

3 Ovules Ovule has an embryo, endosperm, and coverings – Gets nutrients from plant

4 Seeds When coverings thicken and seal, food is stored and seed is formed. – Seed coat, endosperm, embryo

5 Seeds Cotyledons – Part of the embryo that absorbs nutrients from endosperm so growth can occur

6 Fruit Ovary ripens as ovule develops Eventually, fruit surrounds seeds

7 Fruit Types Dry Fruits – Legume – Achene – Nut – Samara – Caryopsis

8 Fruit Types Fleshy Fruits – Drupe – Hesperidium – Pepo – Pome – Aggregate – Multiple

9 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

10 WRAP UP Name 3 “vegetables” that are actually fruits. Name 3 vegetables that are truly vegetables.


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