Bio experiment???????

Question

what experiment can you set up to test the effectiveness of fertilizer X on the growth of tomato plants? what are the control group, independent and dependent variables?

Answer 1

A control group is a group used for comparison which would be the group of tomato plants without fertilizer. The experimental group is the group exposed to the factor being tested which would be the group exposed to the fertilizer. The independent variable is the factor that is being tested and might affect the outcome of the experiment. The dependent variable results from or depends on changes to the independent variable.