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Biological Control Quiz
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Biological Control Quiz

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@DauntlessWonder

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Questions and Answers

What does biological control involve?

  • The use of chemical pesticides to reduce population density
  • The direct intervention of humans to control population density
  • The genetic modification of organisms to control their population
  • The action of natural enemies in maintaining another organism's density to a lower level (correct)
  • Which organisms are involved in biological control?

  • Decomposers and scavengers
  • Parasites, predators, and pathogens (correct)
  • Herbivores and omnivores
  • Photosynthetic organisms
  • What is the goal of biological control?

  • Increasing population density of organisms
  • Maintaining another organism's density to a lower level than would occur in their absence (correct)
  • Promoting the use of chemical pesticides
  • Introducing new species to an ecosystem
  • What is the main difference between Natural Biological Control and Applied Biological Control?

    <p>Natural Biological Control involves the action of natural enemies without man’s intervention, while Applied Biological Control relies on natural enemies with manipulation by man</p> Signup and view all the answers

    What is the primary role of natural enemies in Natural Biological Control?

    <p>To reduce pest population without man’s intervention</p> Signup and view all the answers

    How does Applied Biological Control differ from Natural Biological Control in terms of man’s intervention?

    <p>Applied Biological Control relies on natural enemies with manipulation by man, while Natural Biological Control involves the action of natural enemies without man’s intervention</p> Signup and view all the answers

    Study Notes

    Biological Control

    • Biological control involves the use of living organisms to control or manage pest populations, reducing the need for chemical pesticides.
    • The organisms involved in biological control are predators, parasitoids, and pathogens that attack or infect pests.

    Goals and Types of Biological Control

    • The goal of biological control is to regulate pest populations, maintaining a balance between the pest and its natural enemies.
    • There are two main types of biological control: Natural Biological Control and Applied Biological Control.

    Natural Biological Control

    • Natural Biological Control occurs naturally, without human intervention, and relies on the primary role of natural enemies to regulate pest populations.
    • Natural enemies, such as predators, parasitoids, and pathogens, play a crucial role in controlling pest populations in a natural ecosystem.

    Applied Biological Control

    • Applied Biological Control involves the intentional introduction of natural enemies to a new area, or the augmentation of existing natural enemies, to control pest populations.
    • The main difference between Applied Biological Control and Natural Biological Control is the level of human intervention, with Applied Biological Control requiring human action to introduce or augment natural enemies.
    • Applied Biological Control can be used to accelerate the process of natural control, or to establish a new equilibrium between the pest and its natural enemies.

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    Description

    Test your knowledge of biological control with this quiz! Explore the action of natural enemies, such as parasites, predators, and pathogens, in regulating the population density of other organisms. See how much you know about this important ecological phenomenon.

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