(Solved): In an experiment to determine the effect of different types of food on the growth of rats, which of ...

In an experiment to determine the effect of different types of food on the growth of rats, which of the following is the independent variable? a) The growth of the rats b) The type of food given to the rats c) The age of the rats d) The amount of food given to the rats A study investigates how varying light conditions affect the activity levels of hamsters. What is the dependent variable in this experiment? a) The light conditions b) The type of hamster c) The activity levels of the hamsters d) The size of the hamster cages If a researcher is studying the impact of various noise levels on the stress hormones of monkeys, what is the independent variable? a) The stress hormone levels b) The type of monkey c) The noise levels d) The age of the monkeys In an experiment where the effect of different light colors on the mating behavior of beetles is examined, what is the dependent variable? a) The light colors b) The type of beetles c) The frequeney of mating behavion d) The size of the beetles A scientist tests whether the amount of exercise affects the weight of dogs. Which of the following is a control variable? a) The weight of the dogs b) The amount of exercise given c) The breed of the dogs d) The age of the dogs In a research project assessing the influence of varying temperatures on the reproductive rates of frogs, what would be a good control variable? (a) The temperature b) The size of the frogs c) The type of frog species (d) The amount of water in the habitat