Answer:
- There is several crickets take place in the tunnel.
- The sex-gender takes place in the tunnel.
- The amount of time takes place before the gates are opened.
- Position of the choice kit in the lab
- There is the amount of time that observes the behavior of the cricketer.
These all variables are responsible and need to control the other variables in the study of the cricket using behavior that using a two chambers choice kit and the two chambers are joined with the gates.