Assertion: embryo's structure | /r/CapableOf | form gill arches
Facets:
value: in other classes
type: LOCATION
value: in agnathans
type: LOCATION
Source sentences:
text: The fact remains that these structures which form gill arches in agnathans, form other structures in jawed fishes and tetrapods.
text: Our jaws and ears form out of the same structures that form gill arches in other classes, because evolution doesn't create new structures.