Assertion: sea urchin's structure | /r/HasProperty | efficient
Facets:
Source sentences:
text: The structure of the mouth and teeth have been found to be so efficient at grasping and grinding that similar structures have been tested for use in real-world applications.
text: The structure of the mouth and teeth have been found to be so efficient at grasping and grinding that similar structures have been tested for use in real-world applications.