Ap Bio Lab 5 Help With AP Bio Lab 5 (Cellular Respiration)?

Help with AP Bio Lab 5 (Cellular Respiration)? - ap bio lab 5

In examining our data, we've found that respiration was alone in the last 5 minutes of data collection. We need to explain why in our conclusion, but I'm totally confused. Already ruled out human error. The temperature relatively constant, only stayed with + / - 1.0 to deviations. But could this small temperature changes have a significant impact on our results, since they only worked 1.0 ml with a pipette?