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shawnep99 shawnep99
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12 years ago
John was a forest biologist and was studying the effects of logging on the survival of the Downy woodpecker. He measured the population size of the woodpecker in logged and unlogged areas that were otherwise similar. In this investigation, how would you classify the woodpecker population size?
   A. Treatment.    
   B. Independent variable.    
   C. Dependent variable.    
   D. Controlled variable.    
   E. Control.
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wrote...
12 years ago
C. Dependent variable.

Because the population depends on the trees in the forest (independent variable).
Biology!
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