Assertion: mollusk's system | /r/HasProperty | rudimentary
Facets:
Source sentences:
text: The nervous system is rudimentary with only buccal or “cheek” ganglia present at the anterior end.
text: The nervous system is rudimentary with only buccal or “cheek” ganglia present at the anterior end.
text: The nervous system is rudimentary with only buccal or “cheek” ganglia present at the anterior end.