Alicia would like to determine the effect of epinephrine on a fish's heart rate. alicia designs the following experiment: select a fish for the experiment. measure the fish's heart rate. inject the fish with epinephrine. measure the fish's heart rate again. record the results. in looking at alicia's experiment, what is wrong? a. she should have tested the effect of other hormones as well. b. she shouldn't have measured the fish's heart rate twice. c. she didn't determine what a fish's normal heart rate is. d. she didn't use a second fish as a control.
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Alicia would like to determine the effect of epinephrine on a fish's heart rate. alicia designs the...
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