Assertion: jellyfish's system | /r/HasProperty | developed nervous
Facets:
value: highly
type: DEGREE
Source sentences:
text: They have a highly developed nervous system that activates the cnidocytes the minute a prey comes in contact with them.
text: This helps the jellyfish catch and expel water when it pulses the bell, and (along with its developed nervous system) allows it to move more quickly.