Assertion: spider's pair | /r/HasProperty | pairs
Facets:
Source sentences:
text: polygynandrous the kind of polygamy in which a female pairs with several males, each of which also pairs with several different females.
text: Like pseudoscorpions and harvestmen, the Solifugae lack book lungs, having instead a well-developed tracheal system that inhales and exhales air through a number of spiracles; one pair between the second and third pair of walking legs, two pairs on the abdomen on abdominal segments three and four, and an unpaired spiracle on the fifth abdominal segment.