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An increase in pesticide use has resulted in a decrease in the local blue jay population. What is the BEST explanation for the decreased blue jay population?

Responses

A Blue jay food supply increased.Blue jay food supply increased.

B Blue jay food supply decreased.Blue jay food supply decreased.

C Many blue jays moved into the area.Many blue jays moved into the area.

D Infection with the pesticide destroyed most of the blue jay population.

1 answer

The BEST explanation for the decreased blue jay population due to an increase in pesticide use is:

D. Infection with the pesticide destroyed most of the blue jay population.

This option directly correlates the increase in pesticide use with a harmful effect on the blue jays, likely leading to their decreased population. The other options do not provide a clear connection to how pesticides would result in a decrease in the blue jay population.