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Delicious77 [7]
3 years ago
11

To test how fertilizer affects tomato plants, a farmer divided a field of young tomato plants into 10 plots of equal size. The f

armer then put fertilizer on half of the plots and no fertilizer on the other half of the pots. The experimental group in this experiment was:
A. the tomato plants in all the unfertilized plots.
B. all the tomatoes planted in the field
C. all the plots in the field
D. the tomato plants in all the fertilized plots
Biology
1 answer:
cupoosta [38]3 years ago
4 0

Answer:

D. The tomato plants in all the fertilized plots

Explanation:

The independent variable in this case is the fertilizer, because it is the one that is changed in this experiment. This is your clue on how to determine the experimental group.

The experimental group is the group the independent variable is applied on. The group that is not subjected to the independent variable is called the control group.

This is done to ensure that the changes in the experimental group was indeed brought about by the independent variable by comparing the difference between the two groups.

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