Assertion: sea lion's layer | /r/HasProperty | called blubber
Facets:
Source sentences:
text: A layer of fat called blubber between the muscles and outer skin protect sea lions from frigid ocean temperatures.
text: Thick layers of fat, also known as blubber, keep the animals warm, in addition to dense fur.
text: During this time, they will fast, relying on a thick layer of fat called blubber for energy.