Assertion: crabeater seal's teeth | /r/CapableOf | form sieve
Facets:
value: for scooping up prey
type: PURPOSE
Source sentences:
text: One enduring hypothesis has been that early whales, living about 25 million years ago, had intricate, rounded teeth that formed a sieve for scooping up prey, a method used by some living Antarctic seals.
text: They have special teeth that act as a sieve, allowing them to filter krill from the water.