Analyzing Data and Drawing Conclusions

Question 3 of 10 • Crowley Credit Recovery Environmental Systems A

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. The data from his experiment are shown in the table below.Amount of light(hours)Number of plantsAverage volume of oxygen produced (mL)1 40.50642.01045.0What could he have done to increase the validity of his data?

Answer

Reduce the number of plants.

Remove the 1 hour group.

Add a 0 hours control.

Measure the oxygen in liters.

Scientific Inquiry

Succession

Laboratory Safety