A group of blology students tests the growth of bacteria under different conditions. The students apply the same amount of bacteria to identical
Petri dishes enriched with nutrients, then place each plate at a different temperature. The bacteria are allowed to grow for three days, after
which the number of bacterial colonies on each plate is counted. What is the dependent variable in this experiment?
ФА
the nutrient type present in the Petri dishes
the time of day that the experiment is performed
ОВ.
the number of bacterial colonies after three days
OD
the temperature at which the colonies grew.
Answers: 2
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A group of blology students tests the growth of bacteria under different conditions. The students ap...
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