Pollination Biology Ent 104 Johnson Outline Overview
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Questions and Answers

Which type of plants have male and female flowers on the same plant?

  • Self-infertile
  • Monoecious (correct)
  • Dieocious
  • Self-fertile
  • Which of the following is NOT a common crop pollinated by bees?

  • Cotton (correct)
  • Onions
  • Pumpkin
  • Strawberries
  • What is the primary role of honey bees in industrial agriculture?

  • Pollinating crops (correct)
  • Providing animal feed
  • Managing agricultural landscapes
  • Protecting crops from pests
  • Which type of plants need animal vectors for reproduction?

    <p>Angiosperms</p> Signup and view all the answers

    What is the approximate number of U.S. crops that are partially dependent on bees?

    <p>100</p> Signup and view all the answers

    Which of the following is a characteristic of self-fertile cultivars?

    <p>Capable of self-pollination</p> Signup and view all the answers

    What is one of the complications mentioned in the text regarding flower morphology?

    <p>Flowers vary widely in nectar concentrations</p> Signup and view all the answers

    How does heavy pesticide use affect nesting sites for native pollinators?

    <p>Reduces nesting sites due to soil manipulation</p> Signup and view all the answers

    What benefit does cross-pollination provide for self-fertile highbush blueberries?

    <p>Increased fruit size and market value</p> Signup and view all the answers

    Why can monoculture increase pollination demands beyond natural capacities?

    <p>Monoculture creates unnatural demands on pollinators</p> Signup and view all the answers

    What is a consequence of a poor diet caused by limited pollen sources?

    <p>Poor attraction to crops</p> Signup and view all the answers

    How does low plant diversity impact the demand for pollinators?

    <p>Increases the demand for pollinators due to varied plant types</p> Signup and view all the answers

    Why are bumble bees preferred for pollinating certain crops like tomatoes and eggplants?

    <p>They do buzz pollination, which is required for certain flowers.</p> Signup and view all the answers

    What is a challenge in using solitary bees as managed pollinators?

    <p>It is difficult to rear them in large numbers.</p> Signup and view all the answers

    Why do honey bees often avoid pollinating alfalfa flowers effectively?

    <p>They learn to avoid the flower's tripping mechanism.</p> Signup and view all the answers

    What distinguishes the behavior of ground nesting bees like the Alkali bee from honey bees in orchards?

    <p>Ground nesting bees deposit mud in orchard rows, unlike honey bees.</p> Signup and view all the answers

    What is a distinguishing feature of Leaf Cutter Bees that makes them easy to use as managed pollinators?

    <p>They come as free cells and can be set up in enclosures near crops.</p> Signup and view all the answers

    Why were tomatoes in greenhouses mechanically pollinated before the commercial rearing of bumble bees?

    <p>Honey bees were not effective pollinators for greenhouse tomatoes.</p> Signup and view all the answers

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