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Download Biology Notes: Seeded Vascular Plants Angiosperms (Flowers)
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Transcript
Name: _________________________________________________ Date: _______________ Period: ________ Biology Notes: Seeded Vascular Plants Angiosperms (Flowers) Directions: Fill in the blanks as we cover the topic in the PowerPoint. Corresponds to textbook pages 624‐627, 668‐669 Group 4: Flowering Plants • ____________ (flowering plants) • • Flower = ___________________ structure – Attract ____________ to help spread pollen – Forms ____________ to protect and spread seeds Seeds – Grow inside the ____________ – Inside: 1. ____________ 2. ____________ (food supply) Seed Dispersal • ____________ brightly colored – Attracts animals • Seeds pass through animals ____________ system • Seeds ____________ in a new area to grow Angiosperm Groups • 2 groups: Based on seed type • Cotyledon: embryonic leaf • Two Categories: – Monocots: embryo with 1 _______ _________ Dicots: embryo with _____ seed leaves – Angiosperm Life Spans • Three Life Span Types: • – 1) ____________ – – – Seed grows… Produce flowers & seeds… Die 2) ____________ – 1st year: • Seed grows and stores food 2nd year: • grows more… • makes flowers & seeds… • dies 3) ____________ – • – – Live for more than 2 years May take decades to grow fruit Flowers • Reproductive structure of angiosperms • Sepals • • – ________________ ring of ________________ – protection Petals – ______________ ring of leaves – Brightly colored to attract pollinators Male and female organs found ________________ – Stamen (____________) • – Anther: tip of stamen, produces _____________ (sperm) Carpel (____________) • _____________ most part • Ovary: within the ______________ of the carpel/pistil • • Contains ____________ • Grows into ____________ when fertilized Stigma: _______________ tip, collects _______________ Self‐Pollination: A flower’s pollen fertilizes________ ____________ egg(s) Cross‐Pollination: Pollen of one flower fertilizes egg(s) of ____________________ flower Quick Review: Label the parts of the flower