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Investigating The Effect Of Drugs On the Heart Rate of a Daphnia.  

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Investigating The Effect Of Drugs On the Heart Rate of a Daphnia Plan In this investigation I will be finding out the effects of alcohol on a daphnia's heart rate. To do this investigation I will first need a beaker of fresh water, which has daphnia living in it. The water needs to be fresh and has to be their normal environment so that their heart rates are normal. I then take out 3 beakers and fill each of them half way. One beaker will be filled with distilled water (0.0% alcohol), one with 1% concentrated alcohol and the other is used for mixing the solution. I then make a table to record my results in, I will use the headings; concentration of 1 ml alcohol and Heart Rate for 1 minute which will be measured in beats per minute. I then take out my microscope and a lamp, which I...

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