Assertion: arthropod's appendage | /r/CapableOf | function as gill
Facets:
Source sentences:
text: The earliest known arthropods ate mud in order to extract food particles from it, and possessed variable numbers of segments with unspecialized appendages that functioned as both gills and legs.
text: The earliest known arthropods ate mud in order to extract food particles from it, and possessed variable numbers of segments with unspecialized appendages that functioned as both gills and legs.