Assertion: invertebrate's system | /r/HasProperty | complex nervous
Facets:
value: astonishingly
type: DEGREE
Source sentences:
text: These marine invertebrates have astonishingly complex nervous systems, which allows them to engage in elaborate camouflage and even display problem-solving behavior—for example, octopuses have been known to escape from their tanks in laboratories, squish along the cold floor, and climb up into another tank containing tasty bivalves.