The amount of sleep you get is the independent variable because it does not depend on the scores on tests
In biology, cell theory is a scientific theory which describes the properties of cells. These cells are the basic unit of structure in all organisms and also the basic unit of reproduction.<span>The cell theory states that: All living organisms are composed of cells. Multicellular organisms (example: humans) are composed of many cells while unicellular organisms (example: bacteria) are composed of only one cell. Cells are the basic unit of structure in all organisms.</span>
Try hypothesis. If that's not it, I don't know what else it could be.
Are there any answer choices to choose from?