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LAB EXPERIMENTAL VARIABLES .docx

LAB EXPERIMENTAL VARIABLES .docx - Introduction to Science...

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Exercise 3: Experimental Variables Determine the variables tested in each of the following experiments. If applicable, determine and identify any positive or negative controls. Submit this exercise to your instructor upon completion. 1. A study is being done to test the effects of habitat space on the size of fish populations. Different sized aquariums are set up with six goldfish in each one. Over a period of six months, the fish are fed the same type and amount of food. The aquariums are equally maintained and cleaned throughout the experiment. The temperature of the water is kept constant. At the end of the experiment the number of surviving fish are surveyed. A. Independent Variable: Size of aquarium B. Dependent Variable: number of fish survived
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