Question

1. pea plant clones are giving different amounts of water for a three - week period. pea plant receives 400 milliliters a day. the second pea plant receives 200 milliliters a day. the third pea plant receives 100 milliliters a day. the fourth pea plant does not receive any extra water; the plant only receives natural ways of receiving water. the height of pea plants is recorded daily.

a. independent variable

b. dependent variable

c. control group

d. experimental group

Explanation:

a. Independent Variable

The independent variable is the factor that is manipulated in an experiment. Here, the amount of water given to each pea plant (400 ml, 200 ml, 100 ml, or natural water) is what's being changed to observe its effect on the plant's height.

The dependent variable is the factor that is measured or observed to see the effect of the independent variable. In this experiment, the height of the pea plants is being recorded to see how it's affected by the amount of water, so it's the dependent variable.

The control group is the group in an experiment that does not receive the experimental treatment (the manipulated independent variable) and is used for comparison. The fourth pea plant, which only receives water naturally (no extra water), serves as the control group to compare with the plants that get extra water.

Answer:

Amount of water given to pea plants (in milliliters per day)

b. Dependent Variable