If you were conducting a study to determine how seeds from various habitats break dormancy, which of the following would be the least useful experimental variable?

Question

Quizplus · Accepted Answer

Low oxygen levels are less likely to be a significant factor in breaking seed dormancy compared to the other options. Fire, freezing and thawing cycles, washing away inhibitor molecules, and soil microorganisms can all directly influence seed dormancy breakage through various mechanisms. Low oxygen levels, however, are generally not a method to break dormancy but rather a condition seeds might endure.

If You Were Conducting a Study to Determine How Seeds