Living Environment Regents Practice Test

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The introduction of the myxoma virus in Australia aimed to control which population?

  1. Flora in the environment

  2. Native Australian wildlife

  3. Imported rabbit populations

  4. Insect populations in crops

The correct answer is: Imported rabbit populations

The introduction of the myxoma virus in Australia was specifically aimed at controlling the imported rabbit populations, which had become a significant ecological problem since they were brought to the continent in the late 18th century. Rabbits reproduced at an astonishing rate, leading to severe overpopulation that caused substantial damage to crops and native vegetation and affected the balance of local ecosystems. The use of the myxoma virus, which causes a lethal disease in rabbits, was a biological control method intended to reduce their numbers significantly. This strategy proved highly effective in curbing the rabbit population explosion, resulting in improved environmental conditions for native species and agricultural landscapes.

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