34. The activities of living systems are often affected by temperature. Which of the studies most likely required that the living material tested be exposed to the same temperature each time it was performed?
Your Answer is
Correct Answer is J
Explanation
Both studies 1 and 2 used real plants with living activities, so the temperature should be controlled. And Study 3 only used the pigment in plants, the pigment has no living activity, no need to control the temperature