The roly-poly is the only crustacean capable of spending its entire life cycle on land. However, its aquatic ancestry is still evident in its anatomy:
The signature "roll" (scientifically called conglobation) is a defensive behavior that protects their soft undersides from predators and prevents their breathing organs from drying out. Ecological Importance Roly-polies play a vital role as nature's "composters": Roly-Poly
Remarkably, they can tolerate and remove heavy metal pollutants like lead, arsenic, and cadmium from the soil, crystallizing these toxins in their gut. The roly-poly is the only crustacean capable of
Some studies suggest that by consuming fungi that release carbon dioxide during decomposition, roly-polies may help slow the release of carbon into the atmosphere. Cultural and General Context Beyond the garden, the term has various meanings: and cadmium from the soil