Martin is testing liquids to determine what tomato plants grow best. he plants four tomato seeds in four separate pots. he uses different liquids to water each plant every other day: water, hydrogen peroxide, coffee, and rubbing alcohol. martin then measures the growth rate of each plant. what is the control for martin’s experiment?

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.