Learning Objectives 1 Describe the structure of a complete flower 2 Distinguish

Learning objectives 1 describe the structure of a

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Learning Objectives 1. Describe the structure of a complete flower.2. Distinguish between microgametophytes and megagametophytes.3. Describe the co-evolution between flowers and pollinators.4. Discuss the advantages and disadvantages of selfing versus outcrossing.5. Describe the unique features of double fertilization.6. Describe the development of the ovule into a seed.7. Describe the development of the ovary into the fruit and features of the pericarp that aid in dispersal.8. Describe asexual reproduction and provide examples.
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PollinationSelf-pollinationEcologically advantageousOutcrossingSeparation of male and female structuresMonoeciousDioeciousDichogamousSelf incompatibilityRaven 10eFig. 41.25Raven 10e Fig. 41.24Either S allele in the stigma matches S allele in pollen.Either S allele of stigma matches either S allele from parent.
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Pollinators and Angiosperms Co-evolutionBeesInsects other than beesBirdsSmall mammalsWindBirchRaven 10e Fig. 41.22Raven 10e Figure 41.20Hummingbird visiting Heliconia.Bumblebee pollinating Raven 10e Figure 41.18
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Angiosperms and double fertilizationFertilization of eggFormation of endosperm (3n)Fig. 41.26
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Embryo developmentEndosperm & embryo3 dimensional body planSuspensor Fig. 41. 27
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  • Spring '20
  • Pollination, Pollen

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