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Unformatted text preview: Guppy Large Guppy Fish Volume (ml) .1ml 1ml Water Volume (ml) 20ml 21ml Initial pH 8.75 8.55 Final pH 8.59 7.73 MicroMole .023 .254 Time (minute) 30 30 Respiratory Rate .1530 .1778 The data shows that the smaller guppy weighing .1ml has a respiratory rate of .1530 while the larger guppy weighing 1ml has a respiratory rate of .1778. Although water volume differs from the larger to smaller guppy beakers once put into the formula doesnt change outcomes. The larger guppy changed the pH by .82 and the smaller guppy changed the pH by .16. Conclusion: At the end of the experiment our hypothesis was shown to be correct. The larger guppy needed more dissolved oxygen then the smaller guppy. The difference between the pH change from small guppy to large guppy was .66 which means that the larger guppy produced more carbon dioxide. The Respiratory rate difference was .0248 for 30 minutes which shows that larger fish use more oxygen and produce more co2 than smaller fish....
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- Spring '09