In response to the external stimuli, the earthworms tend to move away from the change because their body has been sensitive.
A hypothesis can be defined as the guess or the statement that has been made prior to the research. The research has been based on the hypothesis, and the results of the study reveal that whether the hypothesis has been accepted or rejected.
For the effect of dry conditions on earthworm behavior, the hypothesis has been:
If an earthworm has been exposed to dry conditions, then the earthworm will remain in its borrow for a longer period of time because the skin of the earthworm has been sensitive to external stimuli.
In response to the external stimuli, the movement of the earthworm has been changed. The action can be observed with the stimuli such as heat, light, or moisture, or change in the external environment.
For more information about the behavior of earthworms, refer to the link:
https://brainly.com/question/15928167