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Flowering Plants. BIOL 1407. Flowering Plants. Seed plants Ovules are enclosed in an ovary Ovary  fruit around seeds Photo Credit: BIOL 1407 student, Austin Nature Center field trip, 2006. Flowers. Reproductive Structures Attract animal pollinators

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flowering plants1
Flowering Plants
  • Seed plants
  • Ovules are enclosed in an ovary
  • Ovary  fruit around seeds
  • Photo Credit: BIOL 1407 student, Austin Nature Center field trip, 2006
flowers
Flowers
  • Reproductive Structures
    • Attract animal pollinators
  • Photo Credit: Pam Wolfe, Georgetown River Walk 2008
flowers1
Flowers
  • Female structures = megasporophylls
  • Male structures = microsporophylls
  • Photo Credit: Pam Wolfe, Zilker Botanical Gardens 2008
flowers2
Flowers
  • Reproductive structures surrounded by modified leaves
  • Photo Credit: Pam Wolfe, Zilker Botanical Gardens 2008
flower pollination
Flower Pollination
  • Animal Pollinators
    • Insects
    • Bats
    • Birds
    • Other mammals (sugar gliders, mouse lemurs)
  • Wind Pollination
  • Water Pollination
  • Photo Credit: Courtesy of Luc Viatour @ http://www.lucnix.be
slide13

Photo Credit: Butterfly – Courtesy of Luc Viatour @ http://www.lucnix.beStapelia – Courtesy of ChasMTx @ http://www.ubcbotanicalgarden.org/potd/2005/11/stapelia_gigantea.php

fruits
Fruits
  • Mature ovary
  • Ovary forms wall around seeds
  • Photo Credit: Courtesy of Luc Viatour @ http://www.lucnix.be
seed dispersal
Seed Dispersal
  • Seed Dispersal
    • Animal dispersal
    • Wind dispersal
    • Water dispersal
    • Mechanical dispersal
  • Photo Credit: Mexican buckeye fruit, BIOL 1407 Student, Austin Nature Center field trip 2006
slide22
Pollination
  • Pollen germination
  • Pollen tube growth
  • Double fertilization
angiosperm seeds
Angiosperm Seeds
  • Zygote  Embryo
  • Triploid cell  Endosperm (food supply)
  • Integuments  Seed coat
bean seeds
Bean Seeds

Question: Where is the endosperm?

eudicots
Eudicots

Photo Credits: ACC Field Biology Student, 2005

the end

The End

Unless otherwise specified, all images in this presentation came from:

Campbell, et al. 2008. Biology, 8th ed. Pearson Benjamin Cummings.

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