daphnia
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Title: daphnia

Essay Details:

Subject: Science
Author: Naomi C
Date: March 15, 2016
Level:
Grade: A
Length: 2 / 482

Essay text:

From this, I can assume that it also affects the heart rate of Daphnia and that the rise in heart rate should reflect the concentration of caffeine. Many scientific studies within the last few years have proven this, for example, Null hypothesis- Their will be no correlation between the concentration of caffeine given to the Daphnia and its heart rate. Plan- • Using a pipette with a wide opening, carefully remove a Daphnia from the bag and put in a watch glass. • Collect some extra water and put it in the glass to enable the Daphnia to be able to move around and not dry out. • Place the Daphnia on a cavity slide with not too much water and place a circle of thin cotton wool around it to stop it from moving too much...

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