Suppose a scientist is conducting an experiment for the effect of light and dark on the behaviour of moths. This is the study to determine the effect of temperature on plant pigmentation. 1 2 3. 2. Independent variable in biology? In experimental research, the independent variable is manipulated or changed by the experimenter to measure the effect of this change on the dependent variable.. An independent variable is a variable that can be changed or modified in a scientific experiment. Independent and dependent variables in experiments. Answer. Independent Variable Examples. An independent variable stands alone and isn’t affected by other variables. Other factors (such as what they eat, how much they go to school, how much television they watch) aren't going to change a person's age. For example, say you have ten sunflower seedlings, and you decide to give each a different amount of water each day to see if that affects their growth. This is done to test the dependent variable by modifying the independent variable. Experiment example. One simple way to explore independent and dependent variables is to construct a biology experiment with seeds. Learn dependent independent variable biology with free interactive flashcards. You are studying the impact of a new medication on the blood pressure of patients with hypertension.. To test whether the medication is … Wiki User Answered . Thus here the independent variable is the amount of light and the moth’s reaction is the dependent variable. It is a variable that stands alone and isn't changed by the other variables you are trying to measure. In a scientific experiment, a researcher changes an independent variable to see how it affects other variables. The result of the experiment on the two groups of people depends on the kind of psychological treatment that is delivered to the respective group. He is doing this by continuously turning a light on and off. Choose from 500 different sets of independent+variable biology flashcards on Quizlet. Asked by Wiki User. Try growing some sunflowers and see how different factors affect their growth. Learn independent+variable biology with free interactive flashcards. Hence the variable x is the independent variable. For example, if a researcher wants to see how well different doses of a medication work, the dose is the independent variable. An example of an independent variable is the height you drop an egg from to see if it will break.. Do you know why an independent variable is so important to science? Answer: An independent variable is exactly what it sounds like. Top Answer. For example, someone's age might be an independent variable. Choose from 500 different sets of dependent independent variable biology flashcards on Quizlet.