Assertion: spider's pair | /r/HasProperty | secondary eyes
Facets:
Source sentences:
text: The outer pair are "secondary eyes" and there are other pairs of secondary eyes on the sides and top of its head.
text: Jumping spiders have four pairs of eyes; three secondary pairs that are fixed and a principal pair that is movable.
text: The other pairs, called secondary eyes, are thought to be derived from the compound eyes of the ancestral chelicerates, but no longer have the separate facets typical of compound eyes.
text: The outer pair are "secondary eyes" and there are other pairs of secondary eyes on the sides and top of its head.