Assertion: arthropod's limb | /r/MadeOf | chitin
Facets:
Source sentences:
text: Arthropods are characterized by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate.
text: Arthropods are characterized by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate.
text: Arthropods are characterized by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate.