A botanist wants to see how different colored light waves influence the growth of pea plants. She puts the same number of seeds into three identical pots with the same kind and amount of soil.she then gives them the same amount of water every three days for the length of the experiment. One pot is placed into a dark windowless closet. Another pot is left on the windowsill,and the third is placed under a lamp with a green bulb.she records the height of each plant every day for three months.

What is the independent variable in this experiment?

In an experiment, the independent variable is the part of the experiment that the experimenter changes. In this experiment, the only thing that's different for each of the plants is the amount of light they receive. Everything else is the same - the same amount of soil, same amount of water, same pots, and so on.

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Tutorconsortium302 Tutorconsortium302 · Answer 2 · 2022-06-13T19:57:52+02:00

The independent variable in this experiment is the amount of light received by each plant.

What is an independent variable?

The experimenter manipulates or alters the independent variable, which is expected to have a direct effect on the dependent variable.
For example, here the amount of light given to each plant is different and will have an effect on the growth of pea plant.
In an experiment, the dependent variable is the variable that is being tested and measured, and it is 'depending' on the independent variable.
here the growth of pea plant is dependent variable.

learn more about independent variable here:

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