Biology, 31.08.2019 17:00 seasmarie75
Suppose you are investigating how the diet of hamsters affects how much they run on their hamster wheel. in order to control the experiment, which of these should you do?
a.
change only the diet of each hamster.
b.
give all the hamsters the exact same diet.
c.
only allow some hamsters to run on the wheel.
d.
compare the behavior of hamsters and gerbils.
Answers: 1
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