Assertion: brittle star's system | /r/HasProperty | simple structure
Facets:
value: relatively
type: DEGREE
value: with five radial nerves
type: OTHER
value: compared to other marine life
type: OTHER
Source sentences:
text: The nervous system in these animals is a relatively simple structure with a nerve ring at the center and five radial nerves extending outward along the arms.
text: The digestive system of echinoderms is relatively simple and primitive compared to other marine life; some species ingest and expel waste through the same orifice.
text: We suppose that their simple nervous system is insufficient to coordinate the dynamic movements of pumping, and rather physical properties of their body have a dominant effect.
text: The nervous system in these animals is a relatively simple structure with a nerve ring at the center and five radial nerves extending outward along the arms.