Biology, 10.07.2019 09:00 JanetLee7907
Astudent hypothesizes that pillbugs are attracted to darkness. to test the hypothesis, 20 pillbugs are placed in the middle of the a pan in which one half of the pan is covered with paper to make it dark. the pillbugs are then allowed to wander around for 10 minutes. what is the experimental variable in this experiment?
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Astudent hypothesizes that pillbugs are attracted to darkness. to test the hypothesis, 20 pillbugs a...
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