DBQ 326
1. Another method would be to put food into the tubes.
2. The trend showed that for all species, the majority went towards the scented tubes. Oniscus osellus and Armadillidium vulgare had the greatest number of woodlice which moved towards the scented tubes at both at around 68%. Porcellio scaber had the lowest rate which moved towards the scented at around 62%. However, some still moved towards the unscented tubes.
3. The woodlice must have chemoreceptors which can distinguish between scents.
4. a. The woodlice might enter the scented tube because it could indicated potential mates to reproduce with.
b. When resources are scarce, woodlice may move towards the unscented tubes to avoid competition for resources.