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9 October, 14:13

Design an experiment to test the effect of aeration on the growth of roots of bean seedlings. In your

answer, be sure to:

• state one hypothesis the experiment would test

• describe how the control group will be treated differently from the experimental group

• identify the dependent variable in the experiment

• state one reason why many setups should be used in both the experimental and control groups

• state one reason why several different kinds of seedlings were not tested in this experiment

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Answers (1)
  1. 9 October, 17:27
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    One hypothesis can be that there is an effect of aeration on the growth of roots of bean seedlings.

    Control group: has "no aeration"

    Experimental group: has the aeration treatment

    Dependent variable: growth can be measured in the length of the seedlings probably in centimeters

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