Biocontrol,short for Biological Control,is a Means to Control Pest Populations

question 33

Multiple Choice

Biocontrol,short for biological control,is a means to control pest populations (e.g.,insects,plants) by intentionally introducing natural enemies of those pests.Biocontrol methods have benefits of typically being less expensive and less environmentally damaging than chemical pesticides.Which of the following should NOT be considered an example of biocontrol?

• A)the spores of the Chinese caterpillar fungus that are sprayed on crop pests to parasitize and kill them
• B)the application of herbicides that kill weeds harboring pest populations
• C)the introduction of mites that prey upon citrus rust mites that infest and destroy citrus crops
• D)the introduction of insect herbivores that eat weeds but do not feed on native plant species

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