Assertion: horseshoe crab | /r/HasAspect | hard exoskeleton
Facets:
Source sentences:
text: The horseshoe crab has a hard exoskeleton and 10 legs, which it uses for walking along the seafloor.
text: Horseshoe crabs, like all arthropods (the taxonomic group that includes spiders, crustaceans and insects), have a hard exoskeleton.