Assertion: shark | /r/MadeOf | cartilage
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Most of the other Megalodon findings are poorly preserved as all sharks are made primarily of cartilage
text: Sharks are made of cartilage, which does not fossilize well.
text: Instead, they are made of cartilage.
text: Sharks do not have skeletons made out of bone, but they are instead made of cartilage.