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    how was your exam? for me it was fine.
    what was the answer for the last part in question one about the daphnia heart and human heart?
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    (Original post by Maryam hosni)
    how was your exam? for me it was fine.
    what was the answer for the last part in question one about the daphnia heart and human heart?
    I said the human heart shows a significant increase in heart rate after alcohol consumption while the daphnia did not show a significant increase from it's basal rate which was about 350bpm - 335bpm
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    Would it be wrong to say that the size of Daphnia was a controlled variable and we can measure it using a ruler?
 
 
 
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