Water makes up a large percentage of the body’s cells. for a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. the movement of water from an area of high water concentration to an area of low water concentration is diffusionosmosisactive transportstable transport.

Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.