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
B
You might also like to view...
Picea glauca is a seed-bearing plant. What other characteristic MUST be true of this species?
A. It produces flowers. B. It produces fruits. C. The gametophyte is the dominant generation. D. It has vascular tissue. E. Double-fertilization results in the production of endosperm.
An antigen-bearing pathogen that breaches surface barriers triggers __________ immunity. Fill in the blank(s) with the appropriate word(s)
The 1997–1998 El Niño resulted in all of the
following EXCEPT a. crop failures and wildfires in Australia and Indonesia. b. the death of many seals and sea lions. c. massive flooding and landslides. d. a massive ice storm in the southwestern United States. e. massive flooding in California and Peru
The rate of eukaryotic transcription after initiation is increased by:
a. upstream promoter elements. b. the order of gene arrangement in operons. c. the action of catabolite activator proteins. d. how fast 5’ caps and 3’ tails can be added to pre-mRNA. e. enhancers.