Do bigger organisms have bigger cells what kind of test could you do to answer this

No, bigger organisms have more cells.

Bigger organisms have more cells. Unless it's fat cells (fats)

If cells were bigger, you wouldnt need to see the cells under the microscope. Eg: on a plant, you cants see the stomata on the bottom of the leaf because the cell is too small. Thres the answer: bigger organisms dont have bigger cells