AP BIOLOGY

EVOLUTION

HARDY WEINBERG EQUILIBRIUM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is the factor that researchers manipulate so that it is the only factor allowed to vary systematically in an experiment?
A
Controlled Variable
B
Dependent Variable
C
Independent Variable
D
System Variable
Explanation: 

Detailed explanation-1: -The independent variable is the manipulation of different conditions that a researcher controls.

Detailed explanation-2: -Independent variables (IV): These are the factors or conditions that you manipulate in an experiment. Your hypothesis is that this variable causes a direct effect on the dependent variable.

Detailed explanation-3: -Answer and Explanation: The factor in an experiment that researchers manipulate so they can determine the effect is called the independent variable.

Detailed explanation-4: -Experiments have two fundamental features. The first is that the researchers manipulate, or systematically vary, the level of the independent variable. The different levels of the independent variable are called conditions.

Detailed explanation-5: -Therefore, in experiments, a researcher manipulates an independent variable to determine if it causes a change in the dependent variable.

There is 1 question to complete.