Question

10. A student designed an experiment to test the hypothesis given below.Hypothesis: The number of mitochondria in the muscle cells of girls increases with age.What is the best independent variable for this experiment?gender of the subjectsnumber of muscle cellsnumber of mitochondriaage of the girls

Answer 1

According to the statement, we have that the older the woman is, the more mitochondria there will be in the muscle cells, that is, the number of mitochondria in the muscle cells depends on the woman's age. This means that the dependent variable is the number of mitochondria in the muscle cells. Thus, the independent variable is

age of the girls