Assertion: mollusk's skeleton | /r/HasProperty | exoskeleton
Facets:
Source sentences:
text: Mollusca Shell - Molluscs, in general, produce an external skeleton (Exoskeleton) which is called a Shell, which is composed of a limey material: calcium carbonate (CaCO3)
text: Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons).