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What is Controlled experiment in Biology? PDF | Download eBooks

Learn Controlled experiment definition in biology with explanation to study “What is Controlled experiment”. Study controlled experiment explanation with biology terms to review biology course for online degree programs.

Controlled experiment Definition

  • Controlled experiments are designed to demonstrate the effect of one variable by testing control groups and experimental groups that differ in only that one variable.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson



Controlled experiment Explanation

In a controlled experiments, only one variable is changed and the rest are kept constant to the effect of that one particular variable can be seen. For example in an attempt to check the effect of water in the process of photosynthesis, only the quantity of water will be changed and the rest of the variables like sunlight, nutrients etc. are kept constant.

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